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Online Worksheet for grade 7
last date for submission 20 feb
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NAME
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GRADE AND SECTION
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What is the difference between Global warming and Ozone depletion ?
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An Inter governmental maritime organization helping to reduce the impact of
air pollution
water pollution
oil pollution
land pollution
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Define land pollution ?
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Define land pollution ?
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Define pollution?
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What is CFCs?
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How plastic bags can contribute to land pollution?
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Define Ultra violet radiation?
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