Answer:
Temperature, pressure, and moisture/humidity are all factors to consider.
Warm air has a lower density and rises/becomes buoyant.
The air is less dense at higher elevations above sea level. To bring the same amount of oxygen into the lungs when running at high altitudes, you'll need to take more deep breaths.
Humidity is less dense at higher temperatures and pressures. The weight of water molecules is less than that of nitrogen and oxygen molecules. To get more moisture into the same volume of air, some of the heavier nitrogen and oxygen must be displaced.
Explanation:
A central nervous depressant that produces a feeling of well-being and efficiency and results in slower reaction time to stimulation is
Answer:
Alchohol is correct
Explanation:
:)
Match each term with its description.
Match Term Definition
Biosphere A) A large geographical area classified by its climate and the plant and animal life within it
Ecosystem B) Includes all living things functioning together with the physical factors of their environment
Biome C) A place in an ecosystem where an organism normally lives
Habitat D) Includes all living things and the areas in which they live
How do viruses reproduce?
a. They divide by mitosis
b. Sexually, by external fertilization
C. Replication outside the host
d. Inserting DNA into the host cell
Answer:
D
Explanation:
Answer: D
Inserting DNA into the host cell
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Plate Tectonics (8.9 A, B, C):Question 8
What is the change in elevation between points A and B?
Lake
Fish GEREK
Select one
800
150 m
MoU in a
o o
Xo
100 m
-15005
о
900 m
1900
1000
o
0 m
Lake
-900-
6 miles
Answer:
ITS B
Explanation:
Cells (A) and (F) show an early and a late stage of the same phase of mitosis. What phase is it?
Answer: (Note: You will find the stages in the attached files)
The phase is PROPHASE. Cell A is in early prophase, while cell F is in late prophase.
Explanation:
The prophase might be divided into early prophase and late prophase.
Early-Prophase: The chromatin is condensed enough to distinguish individual chromosomes. There are also two pares of centrioles located outside the nucleus. They begin the separation from each other, migrating to the opposite poles. The microtubules extend and originate the polar fibers of the mitotic spindle. By this time, nucleoles have already disappeared. In the A cell, you can see the condensing chromatin and the centrioles migrating to the poles, but not there yet. You can also see the intact nuclear membrane and no nucleole. Late-Prophase: The nuclear membrane breaks and disperses. Chromosomes keep condensing until they are completely condensed and in direct contact with the cytoplasm. Each pair of centrosomes is already in the cell poles, and the polar fibers of the mitotic spindle are completely developed, as well as the kinetochore fibers. In the F cell, you can see centrioles in the poles and the noticeable mitotic spindle. You can also see the nuclear membrane broken into many pieces and the chromosomes that are completely condensed.Cell A is at the beginning of prophase, while cell F is at the end of prophase.
We can arrive at this answer as follows:
In cell A, we can see that the chromatin has gone through a strong process of condensation, to the point where we can see the individual chromosomes. This is an intrinsic feature of the beginning of the prophase.Furthermore, the nuclear membrane is still visible in cell A, which is also a characteristic of prophase.In the cell F, we can see the disintegration of the nuclear membrane, the condensation of chromosomes, and the contact of chromosomes with the cytoplasm. This is a characteristic of the end of prophase, where a new phase of the cell cycle will begin.In this cell, it is also possible to see the mitotic spindle and the existence of centrioles at the poles, which is also a characteristic of the end of prophase.You have not shown the picture your question refers to. However, it is possible to find it in questions similar to yours.
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Overfishing is causing the decline of fish populations, such as Eastern Atlantic bluefin tuna in the Mediterranean. Eastern Atlantic bluefin tuna are caught faster than they can reproduce. Which statement describes themost likely effect that overfishing will have on this ecosystem?
Overfishing decreases the stability of the ecosystem by disrupting food chains.
How does overfishing affect the environment?The fishing enterprise affects a number of marine preservation issues, including fish populations, water pollution, and habitat degradation.
Some investigators have claimed that the size of the fishing industry needs to be seriously decreased in order to maintain healthy marine environments around the world.
Thus, Overfishing decreases the stability of the ecosystem by disrupting food chains.
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Overfishing of Eastern Atlantic bluefin tuna in the Mediterranean is likely to result in decreased ecosystem stability due to disruptions in food chains and ecological balance. Thus correct option is A.
By significantly diminishing the population of a crucial species, such as the Eastern Atlantic bluefin tuna, overfishing has the potential to upset the ecosystem's delicate equilibrium.
Being the top predators that they are, the reduction of these tuna might result in an increase in the population of their prey, which would have a ripple effect across the entire food chain. This imbalance may lead to resource depletion, an overabundance of some species, and ultimately the instability of the entire ecosystem.
The most likely impact of overfishing on the environment is, in essence, option A. It's crucial to keep in mind that ecosystems are intricate, interconnected systems, and that the eradication or decline of one species may have reverberating consequences on the entire biological web.
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The given question is incomplete, complete question is- "Overfishing is causing the decline of fish populations, such as Eastern Atlantic bluefin tuna in the Mediterranean. Eastern Atlantic bluefin tuna are caught faster than they can reproduce. Which statement describes themost likely effect that overfishing will have on this ecosystem?
A-Overfishing decreases the stability of the ecosystem by disrupting food chians.
B-Overfishing makes the ecosystem more stable by increasing competition for limited resources.
C-Overfishing increases ecosystem stability by allowing prey populations to overproduce.
D-Overfishing has no effect on ecosystem's stability because it affects one species out of many."
Dna provides the instructions for making what type of macromolecule?.
Answer:
Protiens
Explanation:
DNA's instructions are used to make proteins in a two-step process. First, enzymes read the information in a DNA molecule and transcribe it into an intermediary molecule called messenger ribonucleic acid, or mRNA.
At metaphase i, homologous chromosomes are connected only at what structures?.
Answer:
In prophase I of meiosis, the homologous chromosomes form the tetrads. In metaphase I, these pairs line up at the midway point between the two poles of the cell to form the metaphase plate.
Explanation:
Por qué cuando los niños son vacunados presentan síntomas de fiebre?
Answer:
Por lo tanto, el sistema inmunológico puede manejar la obtención de vacunas para desarrollar inmunidad a las enfermedades y combatir enfermedades menores al mismo tiempo. Las vacunas no empeoran los síntomas de la enfermedad, aunque pueden causar efectos secundarios leves, como fiebre leve o dolor o hinchazón en el lugar donde se aplicó la inyección.
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Choose the words or phrases that correctly complete the sentence. Two boys are holding onto the ends of a long piece of string, and they move it up and down to make a wave. They begin to move the string faster and faster. When they move the string, the energy (remains the same / increases / decreases) and the frequency (decreases / increases / remains the same). A) increases, increases B) remains the same, remains the same C) decreases, decreases D) increases, decreases
Answer:
The correct answer to the question above is option A "increases, increases"
Explanation:
From the question, the wave discussed is in a string, the wave traveled from one end to the other that makes it a transverse wave because as the string is being moved up and down it creates a disturbance which is at a right angle to the direction of travel. The energy generated by the wave in the string has a relationship with its frequency. Though the waves on a string can be fast once the tension that exists in the string is increased, it is important to note that the lower the frequency of a wave in a string, the lower the energy and that also translates that the tension in the string has also been lowered. So as the string moves faster the frequency and the energy increase.
Paheli accidently placed her hand over a flame and immediately pulled it back . She felt the sensation of heat and reacted due to the action of?
PLZ ANSWER QUICK!!!
withdrawal relfex
Explanation:
The withdrawal reflex (nociceptive or flexor withdrawal reflex) is a spinal reflex that aimed to protect the body, stimulated by the presence of damaging stimuli such as heat.
When a person touches a hot object, the heat stimulates temperature and danger receptors in the skin, triggering a sensory impulse that travels to the central nervous system. The sensory neuron then synapses with interneurons that connect to motor neurons. Some of these send motor impulses to the flexors to allow withdrawal.
what does homeostasis look like in a non human body
Answer:
Whether you're lying in the summer sun or playing in the winter snow, your body temperature only changes by a degree or two. That's an example of homeostasis being maintained. When you get shivery in the cold, or sweat in the summer, that's your body trying to maintain homeostasis.
CELL TRANSPORT: Describe how a large protein and an oxygen molecule will
enter or leave a cell, HINT they do not use the same transport method.
Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ).
It is possible for large molecules to enter a cell by a process called endocytosis, where a small piece of the cell membrane wraps around the particle and is brought into the cell. If the particle is solid, endocytosis is also called phagocytosis. If fluid droplets are taken in, the processes is called pinocytosis.
why are antibiotics unhelpful for treating the common cold?
Antibiotics unhelpful for treating the common cold because they only fight bacteria, not viruses. However, a cold can sometimes result in a bacterial infection. In that case, antibiotics would be beneficial if they could prevent that type of infection.
ANTIBIOTICSAntibiotics are medications that aid in the prevention of bacterial infections. They accomplish this by either killing the bacteria or preventing them from replicating or reproducing themselves.Antibiotics are drugs that kill germs in your body. However, most people use the term when referring to antibiotics.Answer:d
Explanation:
dd
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What can an
ophthalmologist do that an optometrist cannot?
A.examine eyes
B.prescribe eyeglasses
C.meet with patients
D. perform surgeries
Answer:
D. Perform surgeries
Explanation:
Is a sandpiper a herbivore?
Answer:
no they are not herbivores they are carnivores.......
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does the environment create adaptations
Which of these is a parasite that lives inside its host
Answer:
Endoparasite. These live inside the host. They include heartworm, tapeworm, and flatworms. An intercellular parasite lives in the spaces within the host's body, within the host's cells.
Brainliest?
Explanation:
Answer:
B Heartworm
Explanation:
What are three ways to conserve resources?
Answer:
Proper utilization of resources and saving them for the future generations is known as resource conservation. Reduce, recycle and reuse are the three common ways to conserve resources.That's my correct answer{100 POINTS!}
Which of the following is not an example of a marine producer?
A. Cyanobacteria capable of photosynthesis
B. Bacteria that carry out decomposition
C. Phytoplankton
D. Chemosynthetic Archaea
Answer:
B. Bacteria that carry out decomposition
Explanation:
This is your answer because these don't produce anything. These are things that don't produce their own food, but they eat something else. One example on land can be Mushrooms.
So hence, your answer is only B. Bacteria that carry out decompositon
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Ionic bonds are formed when when one or more electrons are transferred from one atom to another
true or false
what do fossil fuels hold, what kind of energy do they hold, what is converted into, & what kind of energy
Answer:
Explanation: Energy gained from burning fossil fuels is converted to electricity and heat in commercial power plants. When fossil fuels are burned carbon and hydrogen react with oxygen in air to carbon dioxide (CO2) and water (H2O). During this reaction heat is released which further amplifies the reaction.
Which step occurs when RNA polymerase attaches to the promoter DNA? termination of the RNA molecule elongation of the growing RNA molecule initiation of a new polypeptide chain initiation of a new RNA molecule
Initiation of a new RNA molecule is the step that occurs when RNA polymerase attaches to the promoter DNA (Option D).
What is the RNA polymerase enzyme?RNA polymerase is an enzyme used to synthesize RNA during a cellular process called transcription, which first required the binding of this protein with a specific region of the DNA gene sequence called promoter.
Therefore, with this data, we can see that the RNA polymerase is an enzyme that binds to the DNA gene sequence in order to initiate the cell process of transcription.
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Which can be studied as a scientific
investigation?
(A
Blue is the best color.
(В) Vegetarianism is better for the
environment than non-vegetarianism.
(C)Country music is more enjoyable than
hip-hop music.
D All students should be required to wear
uniforms to school.
Answer:
(B.) Vegetarianism is better for the environment than non-vegetarianism
Consider the following two statements about DNA melting temperature:
1) The melting temperature of a sample of DNA is the temperature at which 50% of the double helices in the sample have completely denatured.
2) A molecule with 53% GC base pairs would have a higher melting temperature than a molecule of equivalent length with 53% AT base pairs.
Determine which one of the statements below is CORRECT.
A. Statement 1) and statement 2) are false.
B. Statement 1) and statement 2) are true.
C. Statement 1) is true; statement 2) is false.
D. Statement 1) is false; statement 2) is true.
Given what we know, we can confirm that statement 1 is false, while statement 2 is in fact true. Option D is correct.
Why is statement 1 false and 2 is true?Statement 1 states that the melting point of DNA is determined by the denaturalization of 50% of the double helices in the sample. This is not the case, since the DNA melting point is when 50% of the sample becomes single-standard DNA. Statement 2 is true in that a higher concentration of GC base pairs leads to a higher melting point for DNA.
Therefore, we can confirm that statement 1 is false, while statement 2 is in fact true. Option D is correct.
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Match how far back in the earth's climate history we can learn about from each proxy.
Clam shells
Ice cores
World's oldest rocks
Tree cores
Ocean sediments
1. 150 million years ago
2. 800,000 years ago
3. 10,000 years ago
4. 200 million years ago
5. 3.8 billion years ago
These changes can be natural, such as through variations in the solar cycle.
Climate historyClam shells
2. 800,000 years ago
Ice cores
1. 150 million years ago
Oldest rocks in the world
5. 3.8 billion years ago
Tree cores
3. 10,000 years ago
Ocean sediments
4. 200 million years ago
With this information we can conclude that these changes may be natural, such as through variations in the solar cycle. But since 1800, human activities have been the main driver of climate change, mainly due to the burning of fossil fuels like coal, oil and gas.
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Why is nitrogen fixation a limiting factor
Answer: So, nitrogen is often the limiting factor for growth and biomass production in all environments where there is suitable climate and availability of water to support life.
Explanation:
Scientists have discovered how to use electricity to power cars. Running cars on electricity could help
Answer:
Electric vehicles have many benefits, including:
Cleaner environment.
No congestion charge.
Lower running costs.
Renewable electricity tariffs.
Better driving experience.
Government funding.
Free parking.
Reduced noise pollution.
Describe what has happened to the effectiveness of the insecticide by the end of the spray program, not the population of mosquitoes.
The effectiveness of insecticide by the end of the spray program would have decreased.
What is an Insecticide?This is a chemical substance specially prepared to kill insects such as mosquito, fly etc.
These insects develop resistance to this chemical with time which thereby leads to a decrease in its effectiveness.
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Which method of energy production releases large amounts of energy?
A.photosynthesis
B.cellular respiration
C.fermentation
Answer:
Answer below:
Explanation:
A. photosynthesis
Answer:
cellular respiration , I think if the answer is correct follow me pls