Q. Transportation causes to produce CO₂ in atmosphere

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Q. A single chloride free radical of CFCs can destroy up to ozone molecules

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Q. By the mid of 1980s depletion of total overhead ozone in Antarctic region is

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Q. Atmosphere consists of gases

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Q. Chemistry related to the study of environment affected by the chemicals and pollutants is called

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Q. Part of Freshwaterconsumed in the domestic purpose is

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Q. Heat balance of earth is maintained by sphere

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Q. The amount of oxygen dissolved in water to oxidize organic matter is called

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Q. Agriculture consumes part of fresh water

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Q. Insoluble ferric oxide is produced in the pH range

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Q. Polar ice caps and glaciers consist of total earth' water

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Q. The normal amount of overhead ozone in DU

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Q. The percentage of SO₂ produced by volcanoes is

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Q. Synthetic organic pesticides formulated nowadays are more than

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Q. The word smog is the combination of smoke and

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Q. The amount of carbon dioxide in the atmosphere

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Q. Water covers earth surface more than

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Q. Gases produced in leachate are

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Q. Term ozone hole is used for depletion of ozone during months of

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Q. The largest recycled item is

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