Answer:
Negative feedback occurs when a system's output acts to reduce or dampen the processes that lead to the output of that system, resulting in less output. In general, negative feedback loops allow systems to self-stabilize. Negative feedback is a vital control mechanism for the body's homeostasis.
Answer:carbon can be form naturally or artificially, both give energy by giving heat power.
Explanation:
Facilitated diffusion goes against a concentration gradient
Answer:
they are found in all amino acids
