Answer:
C
Explanation:
In biology, homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits.
That would be : adenine, thymine, guanine, and cytosine.
I believe the answer is A the definition of a non renewable resource is “A non-renewable resource is a resource that does not renew itself at a sufficient rate” A is the only option to fit the definition
The umbilical cord transport food/nutrients to the fetus. I hope this helps