The Serengeti plains are part of the African savanna ecosystem and are home to a variety of different species of plants and animals. The Serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce.
Which type of limiting factors does the seasonal drought in the Serengeti plains affect?
• density-independent factors
• density-dependent factors
O population-dependent factors
• population-independent factors
Population-dependent factors such as water as the limiting factors in Serengeti plains. The Serengeti Plains is the most well-known savannah region in Africa. The Serengeti is a tremendous, undulating plain that extends 30,000 square kilometers from Kenya's Maasai-Mara game save to Tanzania's Serengeti Public Park.
Serengeti public park is comprised of generally savannah and this park of Savannah scene are the meadows, fields, swamps, and kopjes. Savannah is a semi-parched land, from forests to open meadows and all combinations of trees in the middle between.
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Hello please I need help with these questionnaires.
1) Why do we say that the eye is a photographic device?
2) What are the organs that ensure the fragmentation of food?
3) What is the destination of the nutrients?
4) What are the organs that ensure the chemical simplification of food?
5) What is the role of the small intestine?
6) What are the fields of application of the work of Louis Pasteur?
7) Which part of the eye provides accommodation?
The reason why we say that the eye is a photographic device is that it works like a camera.
The organs that ensure the fragmentation of food is the teeth which is in the mouth .
The destination of the nutrients is bloodstream which circulate it round the body.
The organs that ensure the chemical simplification of food is digestive system.
The role of the small intestine is that it absorbs nutrients
The fields of application of the work of Louis Pasteur are biology, medicine and chemistry.
The part of the eye that provides accommodation is lens.
What is the function of the small intestine in food processing in the body?It should be noted that the the small intestine plays a vital role in the process of food digestion in the body, t can be seen as the system that help in the process of further digestion of food that has left the stomach However this intestine is the one that do absorbs nutrients.
Some of the these nutrients could be vitamins, minerals as well as carbohydrates and proteins and the absorption is for the food to be able to be useful for the body since the intestine is considered to be part of the digestive system.
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If a food has many calories relative to its physical size, it's considered to have a
A. high calorie density.
B. low calorie density.
C. high fat density.
D. low fat density.
Answer:A
Explanation: High-calorie density per its physical size
Answer:
A is the answer because it is high in calories density
in order for a mutation to be passed down, which cells in the parent would have to be mutated? why?
For a mutation to be heritable, it must arise in the germ line cells of the parent.
In order for a mutation to be passed down from parent to offspring, the mutation must occur in the parent's germ cells, specifically in the cells that give rise to sperm or eggs. These cells are known as the germ line cells.
The reason is that only mutations that occur in the germ line cells can be inherited by future generations. When an individual with a mutation in their germ line cells produces gametes (sperm or eggs), the genetic information contained within those gametes carries the mutation. If the mutated gamete successfully combines with another gamete during fertilization, the resulting offspring will inherit the mutation.
On the other hand, mutations that occur in somatic cells, which make up the body of an individual, cannot be passed down to offspring. Somatic mutations affect only the individual in which they occur and are not transmitted to future generations during reproduction.
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3. Explain how geographic isolation can affect evolution. Give an example. sc.7.E.6.4
Answer:
Geographic isolation can have a significant impact on evolution. When a population of organisms is separated from the rest of their species by a physical barrier, such as a mountain range, an ocean, or a river, they can no longer breed with individuals from the other side of the barrier. This can lead to the accumulation of genetic differences between the two groups over time, eventually resulting in the formation of two distinct species.
For example, the formation of the Isthmus of Panama approximately 3 million years ago separated the populations of marine organisms living in the Atlantic Ocean and the Pacific Ocean. As a result of this geographic isolation, the two populations of marine organisms evolved separately, developing unique adaptations to their respective environments. Today, the Atlantic and Pacific Ocean are home to distinct and diverse ecosystems, each with their own unique species of animals and plants
hope this helps:)
In general when will organisms complete for space food and other resources
In general, organisms will compete for space, food, and other resources when there are more offspring produced than the environment can support as the principle of population growth, where population growth is limited by the availability of resources in a given area.
As organisms continue to reproduce, the population will eventually reach a point where there are not enough resources to support all of the individuals. This leads to competition between individuals for access to those resources.
For example, in a forest ecosystem, trees compete for sunlight, water, and nutrients in the soil. Similarly, animals compete for food, shelter, and space. Organisms that are better adapted to the environment and have more efficient strategies for acquiring resources will have an advantage in the competition and will be more likely to survive and reproduce.
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The correct question is:
In general when will organisms complete for space food and other resources. Organisms produce many more offspring than the environment can support. Explain.
When a honey bee stings or a pathogen attacks, the body elicits an inflammatory response. Label the processes that happen during an inflammatory response in the correct order.
The correct order of the processes that happen during an inflammatory response for a pathogen attack or honey bee sting:
Entry of antigen into the woundRelease of chemicals by cellsPhagocytosis by white blood cellsWhat is inflammatory response?The inflammatory response is the body's way of protecting itself from infection and injury. When a pathogen or foreign substance enters the body, it triggers the release of chemicals from cells in the area.
These chemicals cause blood vessels to dilate and become more permeable, allowing white blood cells to enter the area. White blood cells then engulf and destroy the pathogen or foreign substance.
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what is the answer???
Answer: 1 and 3
Explanation: i hope this helped also if you want to support me please pick me as the brainlyest
A type of inheritance in which codominant traits are expressed together is called
Answer:
the answer would be A
Explanation:
Convert 580 psi to megapascals. 1 MPa = 145 psi. Write an algebraic equation to show your solution.
580 psi is equal to 4 megapascals.
To convert 580 psi to megapascals, we need to use the conversion factor 1 MPa = 145 psi. We can set up an algebraic equation to solve for the value of megapascals:
x MPa = 580 psi * (1 MPa/145 psi)
Simplifying the equation, we can cancel out the units of psi, leaving only the units of MPa:
x MPa = 4 MPa
It is important to note that when converting between units of pressure, it is necessary to use conversion factors to ensure that the values are accurately represented in the desired units. In this case, knowing the conversion factor of 1 MPa = 145 psi allows us to convert the given value of 580 psi to the equivalent value in megapascals. Using algebraic equations can help to simplify the conversion process and ensure that the calculations are correct.
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Question 4 of 32
Which of the following is most likely to result from a poor diet and lack of
exercise?
A. Anxiety
B. Obesity
C. Drug addiction
D. Liver disease
SUBMIT
Answer:
B is most likely
Explanation:
If you are eating a ton of junk food, and not moving around a lot, you are going to gain weight.
10. When a dog plays dead, it is showing a(n______
When a dog plays dead, it is showing a behavior known as "playing possum."
This is a survival tactic that some animals use to avoid being attacked by predators. Dogs may play dead if they feel threatened or intimidated by a person or another animal. This behavior can be triggered by various factors, such as a loud noise or sudden movement. Playing possum is a form of defense mechanism where the dog will stop moving, close its eyes, and remain motionless. This behavior can be helpful in avoiding a fight or attack, but it can also be dangerous if the dog is mistaken for an actual dead animal. It is important to note that playing dead is not a behavior that all dogs exhibit, and it is not something that should be encouraged or trained. It is best to address any fear or anxiety that the dog may be experiencing, and to work with a professional trainer to modify any unwanted behaviors. In summary, when a dog plays dead, it is showing a survival behavior known as playing possum, which is triggered by fear or intimidation. While it can be useful in avoiding an attack, it should not be encouraged or trained as a behavior.
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An unlabeled hierarchical diagram of some astronomical bodies is shown. The labels A,B,C, and D can be used to represent galaxies, solar system, clusters, universe, and planets.
Part 1: Which four astronomical bodies would you choose to represent the four labels in the diagram?
Part 2: Justify your choice based on the hierarchical relationships in astronomical bodies.
Based on the hierarchical relationships in astronomical bodies, I would choose the following four astronomical bodies to represent the four labels:
A: UniverseB: GalaxyC: Solar SystemD: PlanetWhy the Universe, Galaxy, Solar System and Planet?The universe is the largest astronomical body, and it contains all other astronomical bodies. Galaxies are collections of stars, gas, and dust, and they are held together by gravity. Solar systems are made up of a star and the objects that orbit it, including planets, moons, asteroids, and comets.
Planets are celestial bodies that orbit a star and are massive enough for their gravity to have cleared the neighborhood around their orbit.
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Please Draw a diagram of mitosis and one of meiosis (2N=2).
Can someone please draw each phase and everything.
In Interphase of mitosis, DNA replication takes place while the cell prepares to divide. In Prophase, the nuclear membrane separates, the chromosomes condense, and the mitotic spindle develops.
Thus, Chromosomes position themselves along the cell's equatorial plane during metaphase. Sister chromatids split apart and travel to the cell's polar opposites during anaphase. In Telophase, the nuclear membrane heals, the chromosomes decondense, and then the cell splits physically into two daughter cells during cytokinesis.
In meiosis, the DNA replicates as the cell gets ready to divide during interphase. In prophase I, crossing overtakes place, homologous chromosomes hook up in a process known as synapsis, and the nuclear membrane disintegrates. Pairs of homologous chromosomes align along the cell's equatorial plane during metaphase I. This stage is then followed by anaphase 1, telophase I, cytokinesis, Prophase II, Metaphase II, Anaphase II, Telophase II.
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Part II. Choose the best answer for the following questions. 11. Which of the following organism is fungus? A Entamoeba hytolyca C. Plasmodium placifarium D. Mycobacterium tuberculosis B. Candida albicans 12. The technique controlling micro-organisms involves heating followed by rapid cooling is called A. Pasteurization B. Autoclave sterilization 13. The kind of immunity that is gained as result of vaccination with
weakened or dead pathogen is A. Passive immunity B. Natural immunity C. Dry heat sterilization D. Disinfection C. Inborn immunity D. Active immunity 14. Diarrhea is the symptom of all of the following diseases except A. Gastro enteritis B. Typhoid 15. Human disease caused by bacteria include: C. Cholera D. Malaria A. Influenza C. Rabies D. Malaria B. Tetanus 16. The famous plant "endod helps to fight a serious human parasitic diseases known as A. Filariasis B. Amoebiasis 17. Which of the following sexually transmitted diseases is caused by protozoa? A. Syphilis C. Trichomoniasis B. Chancrous D. Gonorrhea C. Tapeworm D. Bilharzias
11. The (B) Candida albicans is a fungus organism. Candida albicans is the most prevalent fungi that cause infections in humans. The fungus is a part of the human body's natural microflora and is present in a variety of locations, including the mouth, digestive system, and vagina.
12. The (A) Pasteurization is a method of destroying pathogens by heating them and then rapidly cooling them. Pasteurization has been used for years to sterilize milk and other food items, as well as medical equipment. It is a common way of killing pathogens while preserving the quality of the product being sterilized.
13. The immunity obtained as a result of vaccination with weakened or dead pathogens is known as (D) active immunity. Vaccines assist in the creation of active immunity, which allows the body to develop immunity to the disease. Active immunity is distinguished from passive immunity, which is obtained from a different source, such as a mother's breast milk.
14. Diarrhea is a symptom of gastroenteritis, cholera, and typhoid, but it is not a symptom of (D) malaria. Malaria is a mosquito-borne disease caused by a parasite and characterized by symptoms such as fever, chills, and headache.
15. Bacteria-induced human diseases include (B) tetanus, cholera, tuberculosis, typhoid fever, and streptococcal infections. The flu, on the other hand, is caused by a virus, while rabies is caused by a virus that infects the central nervous system. Malaria is caused by a parasite.
16. Endod is a plant that is used to treat (A) filariasis, which is a parasitic disease caused by worms. The worms are transmitted to humans via mosquitoes. The infection causes fluid to accumulate in the legs, genitals, and abdomen, leading to swelling and pain. The plant has antifilarial properties and is thus used to combat filariasis.
17. The (C) Trichomoniasis is a sexually transmitted disease (STD) that is caused by a protozoan called Trichomonas vaginalis. It is the most common curable STD and can cause discomfort in both males and females. Syphilis and gonorrhea, on the other hand, are caused by bacteria, while chancroid is caused by the bacteria Hemophilus ducreyi.
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Do you believe there is a need in the United States to develop a comprehensive and integrated mass transit system over the next 20 years, including an efficient rapid-rail network for travel within and between its major cities? How would this impact you personally?
Yes, there is a need to develop a comprehensive and integrated mass transit system in the United States that includes an efficient rapid-rail network for travel within and between its major cities over the next 20 years.
This is due to several reasons. Firstly, a robust mass transit system will reduce the number of cars on the road, leading to less traffic congestion, lower levels of pollution, and a cleaner environment. Secondly, it will make public transportation more accessible, convenient, and affordable for commuters, especially for those who live in rural areas or have limited mobility options. Additionally, it will create more jobs and boost economic growth by improving connectivity and facilitating trade. In conclusion, an integrated and comprehensive mass transit system is essential for the United States to meet the needs of its growing population, reduce the negative impacts of climate change, and strengthen its economy. Personally, this would impact me positively by providing me with more sustainable and affordable transportation options.For more questions on United States
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Four equal strips A B C and D were cut from a potato whose cell sap concentration was 28.5%sugar. The strips were placed in sugar solutions of different concentrations as follows;A-10%,B-15%,C-25%,D-35%. 1.What changes would you expect in strips A and D? 2.Account for the changes in A and D.
Answer: The concentration of sugar in solution D is 35%. Solution D is a hypertonic solution as the solute concentration is more than the potato cell concentration. Therefore, water will move into the cell to equalize the osmotic pressure gradient between the cell and the solution. Hence, strip D will swell.
Explanation:
What best describes these? A prokaryote, a eukaryote, both, or neither.
Has a cell membrane
Has cilia
Has a Nucleus
Has circular DNA
Has multiple chromosomes
Has spike proteins to attach to cell membranes
Has Flagella
Has double stranded RNA
Has Ribosomes
Can you help me pick out these two answers for the questions using the cladogram please will mark brainlist and my AI can’t answer this question pleaseeee
The amniotic egg is a trait that separates amphibians from primates. The trait that separates rabbits and primates from crocodiles is eggs with shells. Rabbits and primates are mammals while crocodiles are reptiles.
The Amphibians are cold-blooded animals that spend part of their lives on land and some part in water. The primates on the other hand are warm-blooded animals and they produce milk(mammals). Species of monkeys, apes, and lemurs are some of the examples of primates.
The trait that is common in primates and rabbits is the presence of hair. The crocodiles on the other hand are different from them as they lay hard-shelled eggs which protect the inner portion of the egg and also allow gaseous exchange.
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PLS HELP!!!!!!!! 50 POINTS!!!!!!!! ACCURATE ANSWER PLS!!! ILL GIVE BRAINLIEST AND 5 STARS. What is the difference between anaerobic and aerobic systems and give some examples of sports which use either the aerobic or anaerobic system.
Answer: The difference between anaerobic system and aerobic system is that Aerobic exercises are endurance-type exercises that increase a person's heart rate and breathing rate over relatively long durations. Anaerobic exercises are exercises that involve short bursts of intense activity. Examples of aerobic exercise include brisk walking and riding a bicycle. Examples of anaerobic activities include sprinting, long jump, making a tackle in football, shooting at goal in netball and serving in tennis.
Photosynthesis and cellular respiration are two of the main processes involved in the carbon cycle. Photosynthesis uses what is produced in cellular respiration and provides what is needed for cellular respiration.
What is produced in photosynthesis that is required for aerobic respiration? Choose the TWO that apply.
Options:
ATP
CO2
glucose
O2
H2O
Glucose and oxygen are the product of photosynthesis which is used in cellular respiration.
The process of cellular respiration that occurs in the presence of oxygen gas in order to create energy from food is known as aerobic respiration. The majority of plants, animals, birds, humans, and other mammals all engage in this sort of respiration regularly. As byproducts of this process, water and carbon dioxide are created.
Aerobic respiration and photosynthesis are actually reversed processes. In the process of fixing carbon dioxide into sugar, photosynthesis also generates oxygen. By converting sugar into carbon dioxide during aerobic respiration, oxygen is used up.
While glucose and oxygen are produced from carbon dioxide and water during photosynthesis, carbon dioxide, and water are produced from glucose and oxygen during aerobic respiration.
Therefore, the correct answer is glucose and oxygen.
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PLLSSSS HELP
Urbanization Cause:
Urbanization Affect:
Urbanization is the process of population growth and the expansion of cities and urban areas. It is primarily caused by factors such as rural-to-urban migration, natural population growth, and the development of industries and economic opportunities in urban areas.
Causes of urbanization:
Rural-urban migration: People move from rural areas to cities in search of better job opportunities, improved living standards, access to education and healthcare, and a higher quality of life.
Natural population growth: As urban areas provide better access to healthcare facilities and improved living conditions, the birth rates tend to be higher in cities compared to rural areas. This natural population growth contributes to urbanization.
Industrialization and economic development: The growth of industries and economic opportunities in urban areas attract people from rural areas seeking employment. Urban areas often offer a wider range of job options, higher wages, and better career prospects.
Effects of urbanization:
Infrastructure development: Urbanization leads to the development of infrastructure such as roads, bridges, transportation systems, and utilities to accommodate the growing population and meet their needs. This includes the construction of housing, schools, hospitals, and other public facilities.
Social and cultural changes: Urbanization brings together people from diverse backgrounds, leading to the mixing of cultures, languages, and traditions. This can lead to social integration and the exchange of ideas, but it can also result in challenges related to social cohesion and cultural identity.
Environmental impact: Urbanization often leads to increased pollution, deforestation, loss of agricultural land, and the degradation of natural resources. The concentration of industries, vehicles, and human activities in cities can contribute to air and water pollution, as well as the generation of waste and greenhouse gas emissions.
Economic growth and opportunities: Urban areas are often centers of economic activity, attracting investments, and businesses, and providing employment opportunities. Urbanization can stimulate economic growth and contribute to the overall development of a region or country.
Social services and quality of life: Urbanization can improve access to essential services such as education, healthcare, sanitation, and clean water. Cities usually offer a wider range of amenities, entertainment options, cultural events, and recreational facilities, enhancing the overall quality of life for residents.
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Do you think the northwest or northeast United States receives greater precipitation throughout the year? Justify your answer.
Answer:
the northwest receives more precipitation throughout the year
Explanation:
r Cycle
4
Which of the following stages of the water cycle is most likely to be occurring on a clear, sunny, hot day?
OA. evaporation
OB. precipitation
OC. condensation
OD. surface runoff
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Oogenesis is the cell division that results in the production of a female egg cell. What is the most likely outcome of a mutation found in the egg cell of a human?
A. It will be passed to daughter cells in mitosis.
B. It will be present in the females somatic cells.
C. It will be passed from parent to offspring.
D. It will have no effect on the offspring
The most likely outcome of a mutation found in the egg cell of a human is;
"It will be passed from parent to offspring."
Because the egg cell provides all of the genetic material to the embryo, if a mutation occurs in the egg cell, it will be present in all cells of the progeny.
Depending on the specifics of the mutation and the genes involved, the offspring's development and function may be impacted. If mutations take place in the germ cells that develop into eggs or sperm, they can also be passed on to the next generation.
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can someone help me with this please? try to be a little detailed and answer the two questions please (look at the picture)
An ecosystem with greater biodiversity has greater stability. So the diversity of species in an ecosystem makes it more resilient to change. In the kelp forest ecosystem, sea otters play a very crucial role as they maintain the structure of the ecosystem community.
A greater amount of variation in species and genus in an ecosystem makes it more resilient to disturbances. There are a variety of factors that affects the ecosystem’s resilience, these include high humidity, greater species richness and ecological redundancy of species.
The intensity and persistence of the stressor in the ecosystem also affect the ecosystem's resilience.
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The zone above the snowline on a glacier is called the zone of _____.
The zone above the snowline on a glacier is called the zone of zone of accumulation.
What is zone of accumulation about?
The zone of accumulation alludes to the upper portion of a icy mass where snowfall surpasses the sum of snow and ice that dissolves or sublimates. In this zone, more snow gathers over time, driving to the development and thickening of the icy mass. The snow slowly compresses beneath its weight, turning into firn and inevitably changing into frosty ice.
The zone of accumulation is significant for the by and large mass adjust of a ice sheet. It serves as a essential source of ice, providing the ice sheet with unused fabric
Hence, the overabundance snow and ice in this zone stream downslope beneath the impact of gravity, shaping the upper portion of the ice sheet and contributing to its development.
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Which of the following describes the third step to recycling ammonia for use as a fertilizer?
mix ammonia to create ammonium nitrate
apply recycled ammonia to plants
gather wastewater from livestock
extract the ammonia from wastewater
It is important to collect wastewater from animals in order to recycle the ammonia for use as fertilizer.
The dung and urine of animals such as cows, pigs or chickens contain high levels of ammonia. This wastewater is collected from livestock facilities or agricultural operations. It is also known as animal wastewater or manure effluent. There are many advantages to recycling ammonia from livestock wastewater. By avoiding the discharge of ammonia into water bodies or the atmosphere, it helps reduce environmental pollution. It gives farmers access to a sustainable source of fertilizer, reducing their dependence on artificial or non-renewable sources.
So, the correct option is C.
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Do you believe there is a need in the United States to develop a comprehensive and integrated mass transit system over the next 20 years, including an efficient rapid-rail network for travel within and between its major cities? How would this impact you personally?
In my opinion, there is a need in the United States to develop a comprehensive and integrated mass transit system, including an efficient rapid-rail network, over the next 20 years, as it would alleviate congestion, reduce emissions, improve connectivity, enhance mobility, and promote economic development.
In my opinion, there is a clear need for the United States to develop a comprehensive and integrated mass transit system within the next 20 years. This should include the establishment of an efficient rapid-rail network, connecting major cities and enabling smooth travel both within and between them. Implementing such a system would have numerous positive impacts. It would alleviate traffic congestion, reduce carbon emissions, improve connectivity, enhance mobility, and foster economic development. Personally, I believe that a well-developed mass transit system is crucial for a sustainable and efficient society. It would greatly benefit individuals, communities, and the environment by providing better transportation options.In conclusion, it is my belief that developing a comprehensive and integrated mass transit system, including an efficient rapid-rail network, in the United States over the next 20 years is necessary. This would have significant benefits such as reducing congestion, lowering emissions, improving connectivity, enhancing mobility, and fostering economic development.
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Which statement about the formation of earthquakes is true?
1.Earthquakes often form at plate boundaries.
2.Earthquakes form randomly from changes in Earth's interior.
3.Earthquakes always form in the middles of plates, far from boundaries.
4.Earthquakes form from underground weathering and erosion.
The statement "Earthquakes often form at plate boundaries" is true about the formation of earthquakes.
What are the causes of earthquakes?The root cause behind earthquakes lies within tectonic plate action. Whenever two or more of these massive pieces of Earths surface clash together or slide parallel to each other it sometimes results in them becoming wedged together - thereby increasing stress at their touchpoints until they abruptly break apart via seismic energy release.
This process creates seismic waves which travel outward from their epicenter through our planets surface while causing local vibrations along the way.
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