In your own words, How do living systems follow the Law of Conservation of mass and energy?

good one: produce hormones that plants grow.

bad one: the problem with organic matter is that while plant nutrients are needed for crop growth, they can also stimulate excessive growth of the wrong plants – mainly, algae.

there's the proffessional site that will you.

the answer is c because it is most logical.

answer; an inhibitory postsynaptic potential;