Q. Gelatin liquefying bacteria are helpful in the manufacturing of photographic films.

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Q. In 2000, how many dams where there in the world?

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Q. In which countries farming is still the main activity of growing food?

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Q. What is industrial sector of water?

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Q. Which continent has the highest use of agricultural water?

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Q. Which continent has the highest use of demostic water?

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Q. Artificial lake use to store water for human use is known as

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Q. In summer the ice melts and releases

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Q. The water stored underground is called

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Q. What are mostly formed at the bottom of steep sided valleys?

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Q. Why the demand of water has increased in present time?

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Q. The nuclear energy produced from the process of fission is used for the production of

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Q. Which state of USA is supplied by a network of water pipelines?

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Q. What is domestic sector of water?

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Q. The shaft, sometimes lined with stone, sink into the ground for water is referred to as

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Q. The rocks through which water can pass is referred as

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Q. Why America and Europe has the higher percentage of water use?

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Q. In 2008 china produced how much tones of oil?

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Q. The point where the underground water re-emerge on the surface is known as

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Q. What is the percentage of domestic use of water in North America?

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