Deforestation

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DEFORESTATION

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CLASS :VIII

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CAUSES FOR DEFORESTATION :Cutting of trees.Construction of houses and buildings.Making furnitures.Using wood as fuels.For preparing railway tracks.[In older days].Forest fires.Irregular methods of cropping or cultivation.Mining.

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CONSEQUENCES OF DEFORESTATION

Increase in temperature[global warming]due to green house effect.

Less rainfall.Higher pollution.Ground level water will decrease. Imbalance in nature.Loss of fertility in soil.Soil erosion.Natural calamities[Floods , Droughts]

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GREEN HOUSE EFFECT

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GLOBAL WARMING

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LESS RAINFALL

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HIGHER POLLUTION

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DESERTIFICATION

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FLOODS DROUGHTS

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ACID RAIN

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