Which of the following locations is the main reservoir for nitrogen in Earth's nitrogen cycle?
A) atmosphere
B) sedimentary bedrock
C) fossilized plant and animal remains (coal, oil, and natural gas)
D) plant and animal biomass
E) soil

Question

Quizplus · Accepted Answer

The atmosphere is the main reservoir for nitrogen in the nitrogen cycle, as 78% of Earth's atmosphere is made up of nitrogen gas (N2). Nitrogen is also found in other reservoirs, such as soil and living organisms, but the atmosphere contains the largest quantity of nitrogen.

Which of the Following Locations Is the Main Reservoir for Nitrogen