Q. Natural causes also results in air pollution.

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Q. How many primary pollutants are there?

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Q. What are secondary pollutants?

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Q. Which is the colorless, odorless and toxic gas which produced when organic materials incompletely burn?

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Q. Which of the following cause soot in the environment?

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Q. What is aerosol?

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Q. What is smog?

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Q. Aerosol + solid particles + liquid particles results in____________________

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Q. Use of unleaded petrol is one way of reducing pollutant.

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Q. Which is responsible for the greatest exposure to carbon dioxide for living organisms?

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Q. How excessive water loss takes place in plants?

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Q. How does asthma cause to human beings?

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Q. What is the reason for reduced in the plant growth?

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Q. Which dioxide damages the flower process in plants?

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Q. Human’s respiratory system doesn’t many mechanisms that help to protect them from air pollution.

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Q. What is the main reason for ozone depletion?

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Q. Which of the following component is more dangerous to ozone layer?

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Q. Why ozone depletion more over the South Pole?

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Q. When did India signed the Montreal Protocol?

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Q. What is the main reason for skin cancer?

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