McqMate
| Q. |
The highest volume of gases in lower atmosphere is comprised of - |
| A. | Hydrogen |
| B. | Carbon dioxide |
| C. | Oxygen |
| D. | Nitrogen |
| Answer» D. Nitrogen | |
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Explanation: There are a number of atmospheric gases which make up air. In the lower atmosphere or troposphere, the main gases are nitrogen and oxygen, which make up 78% and 21% of the volume of air respectively. The remaining 1% of the atmospheric gases is made up of trace gases. |
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