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CET Graduation 2022 PYQ Q107

2022cet-graduation-2022-shift-4Environment & Ecology1 marks
Question 107

Which is the major cause of global warming?

  1. A Re-radiation of U.V. rays by O2 and N2
  2. B Re-radiation of I.R. rays by O2 and N2
  3. C Re-radiation of U.V. rays by CO2 and H2O
  4. D Re-radiation of I.R. rays by CO2 and H2O Correct
Answer D
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