Which of the following best describes nitrogen?
A)The atmosphere contains about 28% nitrogen.
B)Bacterial action is key to the nitrogen cycle.
C)Atmospheric nitrogen is accessible directly to most organisms.
D)Nitrogen is unimportant to organisms.

Question

Quizplus · Accepted Answer

Bacterial action is key to the nitrogen cycle because bacteria help convert nitrogen into forms that can be used by plants and animals.

Which of the Following Best Describes Nitrogen