Fact 1: Nitrogen is found in proteins, nucleic acids, and chlorophyll.

Fact 2: Chloroplasts are the structures which manufacture chlorophyll.

Given the two facts above, answer the question "What is produced by chloroplasts?" with the following options: 
- oxygen
 - sunlight
 - blood
 - Energy
 - glucose
 - gasoline
 - Energy.
 - nitrogen


 

        nitrogen 