Q. Renewable energy do not contribute to air pollution and

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Q. Fast flowing water, such as from a waterfall is known as

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Q. Which source of energy is limited by the lack of suitable physical conditions?

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Q. PVs stands for

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Q. The least used source of energy is

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Q. What are the causes of carbobdioxide in the atmosphere?

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Q. How much percent of carbon dioxide is present in the atmosphere?

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Q. How the atmosphere is warmed at the surface of the earth?

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Q. Where the sun's rays reach on the surface on earth oblique angle?

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Q. The air is dry in

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Q. The atmosphere pressure decreases with

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Q. The atmosphere is in constant

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Q. Argon is a

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Q. Sunlight is

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Q. What are the direct effects of carbondioxides ?

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Q. In which areas the water vapors are 4 percent?

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Q. What are the direct effects of increasing amount of smoke in the atmosphere?

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Q. Which is the lowerest layer of atmosphere

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Q. The high proportion of sunlight is reflected instead of being absorbed is known as

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Q. The atmosphere contains how much percentages of Nitrogen?

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