MCQOPTIONS
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| 1. |
Global warming is related to which set of gases |
| A. | Sulphur dioxide, nitrogen, carbon dioxide, ozone. |
| B. | Chlorofloro carbon, oxygen, nitrogen, carbon dioxide |
| C. | Methane, carbon dioxide, nitrous oxide, water vapour |
| D. | oxygen, carbon dioxide, ozone, methane |
| Answer» D. oxygen, carbon dioxide, ozone, methane | |