Geography · Atmosphere
Consider the following statements regarding the composition of the Earth's atmosphere: A. Nitrogen is the most abundant gas (~78%). B. Oxygen accounts for nearly 21% of dry air. C. Argon is a highly chemically reactive gas that readily forms oxides. D. Carbon dioxide is a trace gas but crucial for photosynthesis. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A, B, C, and D
- 2A, C, and D only
- 3A and B only
- 4A, B, and D only✓
Correct answer
A, B, and D only
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