I think the answer is 1, change ammonia into nitrates.
Answer:
Explanation:
Most limestones actually start as calcium carbonate mud or shells precipitated by organisms in reefs or shallow shelf regions - the biosphere. Over time, the limestone is broken down into its chemical parts and may come back to the surface as volcanic CO2 (in the atmosphere).
Through Polymerization larger molecules are formed.
D because it’s healthy for the baby to eat protein
It was at that POINT MUTATION began
