I believe it is the 'negative feedback mechanism'
Hope this answers your question.
Answer:
I think its D sorry if you get it wrong
IM CONFUSED IS THIS A EQUATION
Answer:
carbon
Explanation:
Carbon, hydrogen, oxygen, and nitrogen are the most important elements. Small quantities of other elements are necessary for life. Carbon is the most abundant element in living matter.
Answer:
The answer is D) experiment
Explanation:
the only answer on here that changes multiple times is an experiment.