Answer:
what are 3 things u can say about group 1 elements?
1. They are shiny soft metals
2. They are Very Reactive
3. When they are exposed to air, they tarnish due to oxidation
what are 3 things you can say about group 17 elements?
1. They all have an Ionic Charge.
2. They use ionization Energy by requiring one additional electron to form a full octet
3. They All Are non-metals.
what are 3 things u can say about group 18 elements?
1. They all are noble gases
2. They rarely combine with other elements
3. they are all odorless colorless monatomic gases with very low chemical reactivity
Explanation:
Why would plant cells become wilted in a concentrated sugar solution?
A:They lose water by osmosis
B:They are not receiving enough light
C:They lose water by active transport
D:They gain water by osmosis
What can be the outcome of a conclusion that has been verified various times?
Answer:
Positive
Explanation:
Why do you only need one copy of a dominant trait gene to have that trait?
Answer:
because dominant traits cover up the recessive ones. Hence why they are called dominant.
Explanation:
Sun → Grass → Grasshopper → rats → snakes → owls
With the above ecosystem, which animal(s) would be most affected if a large increase in the number of rats were to happen?
The water we drink now was the same water the dinosaurs drank. Discuss how the water cycle makes this statement accurate. Include different parts of the water cycle and what processes help move the water through each part.
Answer:
This is what I got for the answer, I do not know if this is right though.
Yes. The water on our Earth today is the same water that’s been here for nearly 5 billion years. Only a tiny bit of it has escaped out into space. As far as we know, new water hasn’t formed either.
That means there’s a very high chance the water in your glass is what thirsty dinosaurs were gulping about 65 million years ago.
It’s possible that you could drink the same water as a stegosaurus or a T-Rex because of the way water circulates around our planet. A dinosaur, you, and I are actually part of this water cycle, too.
As water on the surface of lakes, oceans, and rivers warms up, it travels into the sky as very tiny droplets, or vapor. When the water vapor gets colder, it turns back to liquid to help form clouds.
When the liquid gets so heavy it can’t stay in the atmosphere anymore, it falls, or “precipitates,” as rain, snow, sleet, hail, or, my favorite, graupel. Once the precipitation reaches the ground or lands in lakes, oceans, and rivers, the cycle continues.
You, a dinosaur, and I drink water, and eat foods that contain this water, too. It’s so refreshing to lap it up from my bowl. We get rid of some water as fluids or gases, such as the ones we let out when we breathe.investigates the water beneath Earth’s surface. He’s a geologist with Washington State University’s School of the Environment.
He said water also moves in ways we don’t always think about. Scientists have found water trapped in minerals deep within the Earth’s mantle and crust, he explained. This water is even older than dinosaurs. It doesn’t look like liquid water that’s in your glass, but it still made of the same stuff.
“We’ve realized there is a lot of water down there,” Keller said. “There’s as much water chemically speaking, more or less, as there is in the oceans. It’s just in a different form.”
Another place we find water from dinosaur days is in organic matter. When the dinosaurs died, their bodies broke down to become part of the Earth. Over time, some of this organic matter became shale, coal, and oil we use for fuel.
The water dinosaurs drank is in more than just the water we drink, minerals, and organic matter. It’s also what we use to shower, cook, and water plants for food.
Right now, Keller is visiting with fellow scientists at the Global Institute for Water Security in Saskatchewan, Canada. They are curious about how we’ll take care of our water for the future.
“Life as we know it – every cell in every plant and animal — is mostly water. To say it requires water is an understatement,” Keller said.
The water in your glass may be the same water dinosaurs drank, but it’s also the same water that’s going to keep life on our planet in the years to come.
Which statement best describes the relationship between the bending of a ray of light and a black hole?
When light disappears, it causes a black hole to come into existence.
A ray of light has gravity that will cause a black hole to move toward it.
Gravity from a black hole will pull a ray of light and cause its path to change.
A black hole’s gravity can cause a ray of light to gain gravity and attract objects.
Answer:
number 2
Explanation:
Answer:
second option
Explanation:
what's the structure for presynaptic
Answer:
nervous system
Explanation:
In photo:)
Describe coriolis effect
Answer: The Coriolis effect describes the pattern of deflection taken by objects not firmly connected to the ground as they travel long distances around Earth.
Explanation: It on googIe and hope it helps
Answer:
In physics, the Coriolis force is an inertial of fictitious force that acts on objects that are in motion within a frame of reference that rotates with respect to an inertial frame.
Complete the following sentence.
In order to have a crop reliably bloom at a particular time to maintain a reliable schedule without having to manipulate
light exposure through artificial means, a grower will cultivate a day ____ variety of plant that will bloom in relation to
planting time alone.
Answer:
time
Explanation:
time I believe it's the answer
Answer: neutral
Explanation: just did it
How does mutating the DNA affect the organism?
When a weather forecaster predicts a "low pressure system will pass through the area, what type of weather should be expected? (1 poi
A. sunny, fair weather
B. much colder weather
C. a severe storm such as a hurricane
D. clouds and possible precipitation
When a weather forecaster predicts that "a low pressure system will pass through the area, cloudy and potentially rainy weather should be expected". So, the correct option is (D).
What is Weather?Weather is defined as a mixture of events that occur every day in our environment that vary in different parts of the world and vary over a period of minutes, hours, days and weeks. Most of the weather occurs in the troposphere, the part of Earth's atmosphere that is closest to the ground.
Weather is controlled by changes in air pressure, so air pressure is caused by the weight of the large number of air molecules that make up the atmosphere. Thus, when the sky is clear and blue when the air pressure is high where high pressure causes the air to flow downward and when it reaches near the ground it prevents clouds from forming and when The air pressure is low so the air flows together and then moves upwards where it converges, rises, cools and forms clouds.
Thus, when a weather forecaster predicts that "a low pressure system will pass through the area, cloudy and potentially rainy weather should be expected". So, the correct option is (D).
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What is being used to carry the new gene into the bacterial cell?
A plasmid
A virus
A chromosome
A needle
Answer:
A plasmid
Explanation:
A plasmid is an extrachromosomal DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate independently. -Wiki
tional Park.
ark
Which statement supports an explanation of the pattern
seen after the year 2000?
Adapted from National Park Service
O A. The survival rate of all bears decreased.
B. The number of deaths outnumbered births.
C. The density of bears in a territory decreased.
D. The bears maximized the available food supply.
Answer:
letter c po
Explanation:
sana po makatulong po sa inyo
The answer please answer will give brainliest
Answer:
hi there person :)
A list of living things in your home
What makes one animal more adapted than another?
1. It has acclimatized to its environment during its lifetime.
2. Its phenotype is better suited to its environment.
3. It is more fit, regardless of environment.
4. It will live longer than most other individuals.
Answer:
The answer is 2. its phenotype is better suited to its environment.
Explanation:
Adaptation is the process by which animals pass on genes that make their offspring increasingly better at surviving and reproducing in their given environment. and also I took the quiz.
Its phenotype is better suited to its environment," is generally the most significant factor. Therefore, option (2) is correct.
What is adaptation?Adaptation is a biological process by which a population of organisms becomes better suited to its environment over time. This process involves changes in an organism's behavioral, anatomical, or physiological traits that enable it to survive and reproduce in its environment.
Adaptations may be the result of natural selection, where certain traits that confer an advantage in the environment are passed on to offspring, leading to evolutionary changes in the population. Adaptations can be observed at different levels, from the molecular to the ecosystem, and they are crucial for the survival and success of species in their environments.
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life expectancy have increased in many parts of the world. Why do you think fewer people are dying?
Answer:
The main reason why these people live to an advanced age is better medical care. But average life expectancy is also increasing because the rate of infant mortality has fallen across the world.
The more in depth answer is under the 'Explanation' part.
Explanation:
List of reasons for increased life expectancy in the United States.
-Healthcare.
-Sanitation.
-Nutrition.
-Working conditions.
Life expectancy has increased rapidly since the Age of Enlightenment. In the early 19th century, life expectancy started to increase in the early industrialized countries while it stayed low in the rest of the world. This led to a very high inequality in how health was distributed across the world. Good health in the rich countries and persistently bad health in those countries that remained poor. Over the last decades this global inequality decreased. No country in the world has a lower life expectancy than the countries with the highest life expectancy in 1800. Many countries that not long ago were suffering from bad health are catching up rapidly.Now Humans are living longer around the world. While there have been obvious ups and downs, life expectancy at birth overall has been steadily increasing for many years. It has more than doubled in the last two centuries. This increase was previously driven by reductions in infant mortality
plzzzz help. doing how due at 12
Answer:
they weigh the same amount
Explanation:
they will take up the same amount of room
Help a mate out in biology
Answer:
A. Spores
B. Meiosis
C. Spores grow by mitosis into gametophyte
D. Haploid (n)
E. Gametes (sperm and egg)
F. Mitosis
Explanation:
Alternation of generations is a system of life cycle exhibited by certain organisms such as algae, plants etc where they alternate between a haploid phase/generation and diploid phase/generation. In this life cycle, the SPOROPHYTE is the diploid (2n) multicellular body that forms haploid SPORES via meiotic division. These spores, however, grow into another multicellular body via mitosis called GAMETOPHYTE.
The GAMETOPHYTE refers to the haploid (n) body that produces the haploid gametes (sperm and egg) by undergoing mitosis. The haploid gametes produced unites in a process called FERTILIZATION to yield a diploid ZYGOTE that eventually mitotically grows into the SPOROPHYTE. Note that, the cycle repeats.
In a process of vegetative reproduction, a plant can use its body parts to reproduce offspring EXCEPT. Stem Leaves Root Seed
Explanation:
seed: they are used in sexual reproduction .
hope this will be helpful to you. if you find it useful plz mark my answer as brainlist plzzzz.
In the process of vegetative reproduction, a plant can use its own body parts to reproduce offspring except seeds. So, the correct option is (D).
What is Vegetative reproduction?
Vegetative reproduction is defined as any type of asexual reproduction in plants in which a new plant grows from a piece or cutting of the parent plant or specialized reproductive structures, which is called vegetative propagules.
New plants are obtained without seeds in asexual reproduction which is a type of asexual reproduction in which new plants are produced from roots, stems, leaves and buds. Since reproduction occurs through vegetative parts of the plant, it is known as vegetative propagation.
Seeds are not used by the plants for vegetative propagation as it is used in sexual method of reproduction.
Thus, in the process of vegetative reproduction, a plant can use its own body parts to reproduce offspring except seeds. So, the correct option is (D).
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The diagram below represents an impulse pathway.
Nerve gas interferes with the action of an enzyme that breaks down acetylcholine. This process allows the acetylcholine to remain in a synapse almost indefinitely. At which location does this inhibiting effect of the nerve gas occur?
A) A
B) B
C) D
D) C
Answer:
Thanks
Explanation:
Answer is B
Explanation: it’s the neuron synapse it answers it in the question
4. Describe: Compare the final histogram to the initial histogram. How have the finches been
affected by abundant rain? Describe at least two changes that you notice
Answer:
Finch with shorter beaks increase in number and population of bigger beak finches decreases.
Explanation:
Yes, finches have been greatly affected by abundant rain because in abundant rainfall plants produce an large number and variety of seeds so large amount of food is available for the finches. Due to abundant rainfall, the finches with shorter beaks increase in population. This change greatly helps finches in finding of food so shorter beak finches increase in population due to abundant rainfall.
A 15th century farmer finds a rock that looks exactly like a clamshell. What did he likely conclude about how the fossil got there?
Answer:
The land the farmer is on used to be filled with water and ocean and/or freshwater life
What is the primary consumer in the following food chain, sun - tomato plant - tomato worm - wasp?
Answer:) Tomato Worm
Explanation:) The tomato worm is the primary consumer.
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Deciduous vegetation can play a large role in building design as a result of its ability to: a. increase interior lighting levels b. slow winter wind c. prevent winter sun from entering and overheating buildings d. reduce heat gain during summer months
Answer:
d. reduce heat gain during summer months
Explanation:
Deciduous plants (trees, shrubs, and herbaceous perennials) are those plants that lose all of their leaves for a certain part of the year.
Such types of plants are found in areas where there are cool winters and warm moist summers.
Deciduous vegetation can play a large role in building design as a result of its ability to reduce heat gain during the summer months.
Option d. is correct.
What are 3 bases of RNA called?
Answer: Three of the bases are adenine, cytosine, uracil.
Explanation:
The 3 bases of RNA are called adenine (A), cytosine (C), and guanine (G).
What are nitrogenous bases?Nitrogenous bases are organic compounds that contain nitrogen and form the building blocks of DNA and RNA. They are a key component of nucleotides, which are the basic units of nucleic acids (DNA and RNA). There are four types of nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, thymine is replaced by uracil (U).
Nitrogenous bases play a crucial role in genetic information storage and transfer. The specific sequence of nitrogenous bases determines the genetic code, which carries the information required to build proteins. The double helix structure of DNA is held together by the complementary base pairing between adenine and thymine, and between cytosine and guanine. These interactions are critical for maintaining the stability and accuracy of the genetic information.
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Match the following terms:
______ 2. Amino acids A. triplets of tRNA
_____ 3. mRNA B. brings amino acids to the ribosome
______ 4. tRNA C. copies DNA code to take it from the nucleus to the ribosome
______ 5. Codons D. triplets of mRNA
______ 6. Anticodons E. another name for a protein
______ 7. Polypeptide F. building blocks of proteins
Answer:
Polypeptide F. building blocks of proteins
what process does the urchin perform to obtain its energy
Answer:
The Purple Sea Urchin obtains oxygen through diffusion only the diffusion of oxygen into the organism. Also, oxygen diffuses from the canals into the rest of the body and carbon dioxide diffuses back into the canals to be released.
Explanation:
:)
The Purple Sea Urchin obtains oxygen through diffusion only the diffusion of oxygen into the organism. Also, oxygen diffuses from the canals into the rest of the body and carbon dioxide diffuses back into the canals to be released.
What is the best example of a hypothesis leading to new experimental methods?The best example of a hypothesis leading to new experimental methods as the Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies.
The best example of a hypothesis leading to new experimental methods is that the Thomas Hunt Morgan continued the genetic research of Gregor Mendel, but Morgan used fruit flies.
Through Thomas Hunt Morgan's fruit fly experiments, he was able to discover and notice the inheritance of specific chromosomes. This experiment gave Mendel a great opportunity to publicize his idea of studying humans.
Therefore, The Purple Sea Urchin obtains oxygen through diffusion only the diffusion of oxygen into the organism. Also, oxygen diffuses from the canals into the rest of the body and carbon dioxide diffuses back into the canals to be released.
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In the future, do you think Earth’s continents will form another Pangea? How will the current 7 continents be arranged relative to each other?
Answer:
Yes I think that the continents will form another Pangea because the tectonic plates are always moving so in a million years it probably will make another Pangea. (It is just like a puzzle if you do a puzzle that you take the puzzle apart the puzzle pieces still fit together). HOPE THIS HELPS
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1. Which of the following was NOT a part of the summary on Darwin's Theory of Evolution?
Organisms produce more offspring than what can survive
Struggle for Existence - Organisms will compete for resources
Species that live today descended from a common ancestor, with modifications to their traits.
Adaptations are acquired through the use of those traits.
2. Which of the following is NOT one of the main points of Natural Selection?
Variation
Use and Disuse
Adaptation
Overproduction
3. Which type of evidence was Darwin' UNABLE to use, because of the time period, in which he lived? Check all answers that apply!
fossil record
biochemical evidence/ biochemistry
comparative embryology
anatomical structures - homologous/ analogous/ vestigial
Biogeography/ Geographic Distribution
Answer:
1adaptation are acquired through use of those traits (that was lamarck)
2 . use and disuse (that was lamarck)
3.biochemical evidence (the rest he would have been used, not completely but there would have been elements available there)
Explanation: