MCQOPTIONS
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MCQOPTIONS
| 1. |
What_causes_absorption_of_infrared_radiations? |
| A. | Large contents of CO<sub>2</sub> and H<sub>2</sub>O |
| B. | Sulfur oxides |
| C. | Ozone |
| D. | Earth gravity |
| Answer» B. Sulfur oxides | |