Q. Ocean currents are of two types, namely

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Q. The cold water currents move water from the older areas of the

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Q. How many percent of potassium is found in Africa?

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Q. The warm water currents, move warm water from the tropics to the

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Q. North of the equator current circulations are mainly

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Q. When brazil launched its National Alcohol Progremme?

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Q. Which bacteria's increase the soil fertility by making nitrogen available for the plants?

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Q. What are the example of leguminous plants?

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Q. In which process the bacteria breakdown the nitrates to nitrogen gas ?

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Q. In which rain forest, the fastest and largest nutrient cycling system is found?

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Q. In the life filled oceans, oxygen is generated and carbon dioxide is

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Q. In which crops the nitrogen fixing bacteria are increasing the nitrate content of the soil?

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Q. The national Alcohol Programme was to make etyle alcohol from

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Q. Which fuel has less GHGs emissions than fossil fuels?

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Q. What is the advantage of ethanol?

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Q. How nitrogen is removed from the soil?

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Q. Biofuels are

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Q. Bacteria's use ammonia as a source of energy and produce

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Q. The nitrogen fixing bacteria lives in

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Q. When the nutrients dissolved in the water and it seeps down through the soil is known as

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