Carbon
reason being that if you've studied the carbon cycle, you know that carbon goes into the atmosphere and is absorbed by plants. but if we produce more CO2 than plants can absorb, it causes more rays from the sun to be concentrated to the earth, rather than being reflected away
Hi there! It is definitely not a law. A is our. It’s not a hypothesis, because it’s been proven numerous times. B is out. Speaking of which, that leads to theory, which makes sense, because it’s been proven numerous times, and it doesn’t exactly fit the definition of an observation. Theory definitely fits best out of all of these answers. The answer is C: A theory.
In populations of all living things, there is a variation of different traits. This is important for the process of evolution and natural selection because if the individuals in the population vary in size, shape, color or any other morphological or physiological trait, the individuals can be more or less successful because of them and therefore natural selection can filter the variations that are the fittest for that environment.
Answer:
Transport proteins play a role in both active and passive transport to move molecules across the plasma membrane