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प्रश्न
How does oxygen and carbon dioxide remain nearly constant in the atmosphere?
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उत्तर
Oxygen and carbon dioxide remain nearly constant in the atmosphere by the processes of photosynthesis (in plants) and respiration (in animals), respectively. By the process of photosynthesis, green plants consume carbon dioxide and release oxygen. This released oxygen is consumed by animals by the process of respiration, in which they release carbon dioxide.
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संबंधित प्रश्न
State one method by which :
- Oxygen is added to air
- Carbon dioxide is added to air
- Oxygen is removed from the air
- Carbon dioxide is removed from the air
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Write down the composition of air.
Explain natural and human-made sources of air pollution.
State its role in warming the earth’s environment and in excess resulting in global warming.
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I am a mixture of gases.
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