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18/03/2022 7:08 pm
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Which of the following is the major cause of global warming?
(a) re-radiation of U.V. rays by CO2 and H2O.
(b) re-radiation of I.R. rays by CO2 and H2O.
(c) re-radiation of I.R. rays by O2 and N2.
(d) re-radiation of U.V. rays by O2 and N2.
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18/03/2022 7:09 pm
Correct answer: (b) re-radiation of I.R. rays by CO2 and H2O.