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Air Pollution (8th Grade Science)

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8th Grade Science At the end of this lesson, you will be able to: • Explain air pollution, its sources, its harmful effects and its prevention. • Explain depletion of ozone layer. • Describe greenhouse effect. • Explain the formation of acid rain.

  1. by Dwijendra Pawar 01 February, 18 at 09:16 AM

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