Answer:
A. The baby snake's cells divide.
Explanation:
Just like all multicellular organisms, the snake grows through its cells growing and then dividing into more cells.
Coal is considered a non renewable source because the earth cannot replenish it.
Answer:
Enzymes are proteins that increase (only) the rate of chemical reactions converting substrate into product.
Catalysts are substances that increase or decrease the rate of a chemical reaction but still remain unchanged.