Geography · Atmosphere
Which of the following statement is true regarding the upper boundary of the Earth's Exosphere?
- 1It is limited to 80 km from sea level.
- 2It is bounded by the ozone layer limit.
- 3It has no well-defined upper limit and merges into space.✓
- 4It ends abruptly at exactly 1,000 km.
Correct answer
It has no well-defined upper limit and merges into space.
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