. Tornado is a dark funnel shaped cloud that reaches from

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Untreated human excreta is a health hazard. Explain

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Dried _______ is used as manure

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Cleaning of water is process of removing___

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Which of the following statements is not correct

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Explain why there is a need of variety of animals and plants in a forest

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Why should we worry about the conditions and issues related to forests far from us

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