Chemistry · Gases and Atmosphere
Why are nitrogen and oxygen considered critical for maintaining life on Earth?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Nitrogen is important for the water cycle and oxygen for combustion.
- 2Oxygen is crucial for respiration and nitrogen helps in maintaining soil fertility.✓
- 3Nitrogen supports aquatic life directly and oxygen is used in photosynthesis.
- 4Nitrogen provides atmospheric pressure for clouds and oxygen produces ozone directly.
Correct answer
Oxygen is crucial for respiration and nitrogen helps in maintaining soil fertility.
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