Which of the following is true of nitrogen?
A)the atmosphere contains 28.084 percent nitrogen by volume.
B)the key link in the nitrogen cycle is bacterial action.
C)atmospheric nitrogen is accessible directly to most organisms.
D)nitrogen is not important to organisms.
E)living organisms can survive without nitrogen.

Question

Quizplus · Accepted Answer

The key link in the nitrogen cycle is bacterial action, which involves converting nitrogen in the air into a form that plants can use. This process is essential for the growth of plants and the entire food chain, making nitrogen a crucial element for life on Earth. Additionally, A is incorrect because the actual percentage of nitrogen in the atmosphere is 78.084%. C is incorrect because atmospheric nitrogen is not in a form that can be easily accessed by most organisms. D and E are incorrect because nitrogen is essential for the survival and growth of virtually all living organisms.

Which of the Following Is True of Nitrogen