Q. Which climates are cold in every season and very cold in winter?

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Q. In tundra climate the average monthly temperature exceeds

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Q. In which climates cultivation is impossible?

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Q. Coniferous trees found in Siberia are known as

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Q. Temperate and cold climates includes

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Q. Cool temperate interior are covered by a great extent of

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Q. In the south of the Equator, the circulation of currents in all the three oceans is mainly

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Q. The friction between the wind and the surface causes

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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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