McqMate
| Q. |
Which of the following is not a greenhouse gas? |
| A. | Water vapour |
| B. | O2 |
| C. | O3 |
| D. | CO2 |
| Answer» B. O2 | |
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Explanation: Greenhouse gases are those that can absorb and emit infrared radiation, but not radiation in or near the visible spectrum. The most abundant greenhouse gases in Earth's atmosphere are: Water vapor (H2O), Carbon dioxide (CO2), Methane (CH4), Nitrous oxide (N2O), Ozone (O3) and CFCs. |
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