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Pollution of Ai...

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  • Question 1
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    Highest percentage of air consists of

  • Question 2
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    The Taj Mahal is being affected by

  • Question 3
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    Most polluted river in the world is

  • Question 4
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    Air pollution causes

  • Question 5
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    Green House gas is

  • Question 6
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    The percentage of nitrogen is

  • Question 7
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    What causes pollution

  • Question 8
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    CNG is a

  • Question 9
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    Pollution of water is responsible for

  • Question 10
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    Chlorofluorocarbon is used in

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