The answer is B. Enzymes.
Enzymes are biological catalysts that help cause reactions in your body.
Answer:
Calcium carbonate reacts with hydrochloric acid to form carbon dioxide gas. 2HCl (aq) + CaCO 3(s) CaCl 2 (aq) + CO 2(g) + H 2 O (l).
I can help you with part 1
Answer:
Biological Functions: processes and structures by which organisms adjust to short-term or long-term changes in their environment
