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MBD-POLLUTION OF AIR AND WATER-EXAMPLE
- Which gas was absent in the atmosphere of primitive earth ?
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- Which of the following is green house gas?
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- Which protocol has been signed to minimize green house effects?
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- Name few natural fibres.
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- When is Van Mahotsav celebrated in India?
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- How should dry leaves be disposed?
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- Which characteristics of water can get changed?
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- Name any two water pollutants.
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- Give two examples of air pollutants.
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- What are the three major types of pollution?
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- What is sewage?
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- Why is the sewage water called polluted water?
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- How should air pollution be controlled?
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- Write some methods by which pollution can be controlled
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- In what way chloro-fluoro carbons are harmful?
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- How does way carbon monoxide act on humans?
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- Which metals are harmful for health?
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- Depict the important pollutants of air.
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- Write the harmful effects of green house effect.
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- Why is Ganga river more polluted at Kanpur?
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