Which of the following is not a reason the nitrogen cycle is important to life on Earth?

a.

All living things need nitrogen to make proteins.

b.

Nitrogen is radioactive if it doesn't go through the cycle.

c.

Organisms cannot use nitrogen directly.

d.

All living things need nitrogen to make DNA.

Question

18 August, 02:07

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Answers (1)

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Sariah Tran · Answer 1

D is the correct answer. Im in middle school and i even know it. WOW.

Which of the following is not a reason the nitrogen cycle is important to life on Earth?a.All living things need nitrogen to make proteins.b.Nitrogen is radioactive if it doesn't go through the cycle.c.Organisms cannot use nitrogen directly.d.All living things need nitrogen to make DNA.