Q. Which copper mine is the world's largest opencast pit?

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Q. The larger the dam, there is more possibility of social and

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Q. Companies can install energy efficient lights, heating and

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Q. The process of crushing, refining and smelting, produce fume and dust which causes which pollution

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Q. In which country the Kirthar National Park, have disturbed the wildlife

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Q. When tarbela dam was built in Pakistan?

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Q. Steel companies use electric furnaces, which are the most energy efficient way of making

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Q. What approach is used for the conservation and management of energy?

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Q. In Europe's supermarkets, heat given out from the freezers and frighes are fed into the offices for

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Q. The big hope for future energy is

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Q. Wind turbines produce

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Q. Which type of mining cause environmental pollution

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Q. The water is neither consumed nor contaminated to produce

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Q. Finding new and better alternatives requires

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Q. The largest man made hole on the surface of earth is produced by extraction of which mineral?

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Q. Opencast mining leaves bigger scars on the landscape than the

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Q. What is the black rock, which gives out heat when burnt?

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Q. How nuclear energy is produced?

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Q. Oil and gas are commonly found in an unfold in the rocks, is known as

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Q. The developed countries consume how much percent of energy?

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