MCQOPTIONS
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| 1. |
Which of the following statement about Thermosphere is / are true |
| A. | Extends out to about 400 km (250 miles) |
| B. | Temperature increases rapidly with increasing altitude, due to absorption of extremely short wavelength UV radiation |
| C. | Meteors, or "shooting stars," start to burn up around 110-130 km (70-80 miles) above the earth |
| D. | All of the above |
| Answer» E. | |