Question

questions 17 and 18 refer to the following. the diagram below shows a simplified nitrogen cycle. 18 the majority of the nitrogen on earth can be found in which of the following reservoirs? a terrestrial plants b soil bacteria c the atmosphere d sedimentary rock

Explanation:

Nitrogen is predominantly present as nitrogen gas ($N_2$) in the Earth's atmosphere, making up about 78% of the air we breathe. Terrestrial plants, soil bacteria, and sedimentary rocks contain much less nitrogen compared to the atmosphere.

Answer:

C. The atmosphere