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प्रश्न
Carbon dioxide occurs both in the free state and in the combined state.
State three methods how carbon dioxide is added to the atmosphere.
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उत्तर
Carbon dioxide is added to the atmosphere by
- Burning of carbon compounds – wood petroleum.
- Death and decay of organic matter.
- Respiration in living organisms.
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संबंधित प्रश्न
Tick the most appropriate answer.
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a. 20 hexagons
b. 30 hexagons
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lnaocvet.
