Q. Natural sources also cause acid rain.

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Q. Which of the following action takes place in the formation of ozone?

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Q. How many oxygen particles are there in every atom of ozone?

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Q. Why ozone within the upper environment is important?

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Q. Which of the following is threat to the ozonosphere?

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Q. Which one of the following is a result of ozone layer depletion?

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Q. Ozone at a ground level considered as a pollutant.

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Q. In which layer of atmosphere ozone is very vital for all vegetation?

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Q. Which atom released when CFCs molecules are broken from UV radiations?

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Q. What is the full form of CFCs?

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Q. Which is the first place where scientist found the thinning of ozone layer?

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Q. Which treaty was signed in 1987 for the protection of ozone layer?

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Q. Which one of the following cause ozone layer depletion?

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Q. Which compound which used in fire extinguishers cause ozone layer depletion?

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Q. The reduced in the use of CFCs completely prevents the ozone layer depletion.

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Q. When do greenhouse gases cause global warming?

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Q. How much percent of energy is absorbs from the Sun to Earth?

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Q. What is called for the phenomenon when the radiation absorbed by the atmosphere is re-radiated towards the surface of the Earth?

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Q. Which of the following result obtain due to cutting down of trees?

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Q. Which is the most abundantly found greenhouse gas?

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