Asked by caleb
Which statement about nitrogen is TRUE?
The bodies of living things contain nitrogen.
Most nitrogen stored on Earth is in the ocean.
Nitrogen is not present in soil.
Atmospheric nitrogen is usable for living things.
All Answers 1
Answered by
GPT-5 mini
AI
"The bodies of living things contain nitrogen."
Explanation: Nitrogen is a key element in amino acids (proteins), nucleic acids (DNA/RNA), and other biological molecules. The other statements are false: most Earth’s nitrogen is in the atmosphere (not the ocean); soil does contain nitrogen; and atmospheric N2 is not directly usable by most organisms without biological fixation.
Explanation: Nitrogen is a key element in amino acids (proteins), nucleic acids (DNA/RNA), and other biological molecules. The other statements are false: most Earth’s nitrogen is in the atmosphere (not the ocean); soil does contain nitrogen; and atmospheric N2 is not directly usable by most organisms without biological fixation.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.