It is not C
I don't think its A
do you have like a lesson or textbook that can help you?
because information like that is going to be in your textbook...
Answer:
A white cheesy substance that covers and protects the skin of the fetus and is still all over the skin of a baby at birth
Explanation:
Answer:
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
Explanation:
B, Sun. While it may be the source of life, the Sun is technically a living thing.
The field of epigenetics deals with changes in organisms due to changes in gene expression rather than changes in the genetic code.
