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UNITED BOOK HOUSE-ITS RESOURCES AND THEIR CONSERVATION-EXAMPLE
- What are the major green house gases?
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- What is mean by global warming?
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- What is the full form of CFC?
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- What is smog?
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- Mention the causes of acid rain?
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- What is the permissible noise level at night as prescribed by central ...
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- What is eutrophication ?
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- What is the measuring intensity of sound?
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- State some harmful effects of noise pollution.
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- What is sigmoid growth of a population?
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- What is Red Data Book?
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- What is Green Data Book?
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- What is Blue Data Book?
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- What do you mean by "over population"?
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- What is sigmoid growth of a population?
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- What is the full form of WWF?
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- Give two endangered animal species in India.
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- Name two tiger projects of West Bengal.
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- What is biomagnification?
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- Why use DDT has been banned?
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