Which of the following are correct for the greenhouse effect? (i) CO2 is mainly responsible for the greenhouse effect. (ii) The gradual increase in the average temperature of the earth’s atmosphere is called global warming. (iii) Methane, nitrous oxide and water vapour are greenhouse gases like CO2. (iv) An increase in earth’s temperature by as little as 0.5 0C has no effect. (A) (i), (ii), (iii) (B) (ii), (iii), (iv) (C) (i), (iii), (iv) (D) (i), (ii), (iii),(iv)
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Answer: 1st and 2nd Statment are correct
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Aristocracy is a form of government that places strength in the hands of a small, privileged ruling class, the aristocrats. The term derives from the Greek aristokratia, meaning 'rule of the best'.
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