_ is found in most molecules.
Options:
- (A) glucose
- (B) Gold
- (C) Energy
- (D) food
- (E) Polonium
- (F) Nitrogen
- (G) Helium
- (H) heat energy Think carefully first, then make a decision. My thoughts:
Nitrogen is found in proteins, nucleic acids, and chlorophyll. Most molecules are proteins or nucleic acids. Nitrogen is found in most molecules. So the answer is (F).