MCQOPTIONS
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| 1. |
The most of the natural phenomena happens in which one of the following layers of the atmosphere? |
| A. | (a) Stratosphere |
| B. | (b) Exosphere |
| C. | (c) Troposphere |
| D. | (d) All of these |
| E. | (e) None of these |
| Answer» D. (d) All of these | |