Which biogeochemical cycle is used in the creation of nucleic acids?

a. phosphorus cycle
b. water cycle
c. nitrogen cycle
d. primary productivity

C

Explanation:

Nitrogen is fixed in the soil from the atmosphere, in a process called nitrification, by nitrogen-fixing bacteria or on a rare occasion, by lightning strikes. The nitrogen is fixed as, ammonia, nitrites, and nitrates. These nitrogen-based compounds are then taken up by plants and used to make nitrogen-based bio-molecules such as amino acids and nucleic acids. When plants are consumed by primary consumers, these compounds are transferred up  in the food chain.

i think its the first one

but there is no

i guess you forgot putting it.