Q
The thermosphere extends from an altitude of ________ to the base of ________ at ________?
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A
A. 75 km, mesosphere, 670 km
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B
B. 80 km, ionosphere, 680 km
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C
C. 85 km, exosphere, 690 km
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D
D. 90 km, ozone layer , 690 km
Correct Answer:
C. C. 85 km, exosphere, 690 km