How much of forest area has decreasedin ...

How much of forest area has decreasedin India from the beginning of 20th century to the end of 20th century?

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MBD-ENVIRONMENT ISSUES-EXERCISE

How much of forest area has decreasedin India from the beginning of 20...
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Algal blooms impart a distinct colour to water due to :
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Name an industry which can cause both air and thermal pollution as wel...
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What is hybird vehicle technology? Explain its advantages?
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How can slash and burn agriculture become enviroment friendly?
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How has DDT caused decline in bird population?
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What are e-wastes? Name any two e-wastes . What is best solution for t...
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Make a list of impurities present in domestic sewage.
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Explain algal bloom.
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Expalin : Radioactive waste
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Why ozone hole forms over Antarctica? How will enhanced UV radiations ...
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What is organic farming ? Discuss the benefits
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Discuss the causes and effects of water pollution. What measures need ...
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When huge amount of sewage is dumped into a river , the BOD will:
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"mango necrosis" is due to :
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Minamata disease of Japan which afficted people with paralysis was tra...
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What is standing state? Coin the term for vertical distribution of veg...
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List the attributes that populations but not individuals possess.
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Differentiate between hibernation and aestivation.
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What are differences between primary succession and secondary successi...
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What is the difference between BOD & COD?
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