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Question
Which of the following layers does not belong to the Homosphere?
Options
Troposphere
Stratosphere
Thermosphere
Exosphere
MCQ
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Solution
Thermosphere
Explanation:
The atmosphere up to about 80 km altitude is called the Homosphere, where the chemical composition is fairly uniform. Layers included in the Homosphere are the Troposphere and the Stratosphere. Above this region lies the Heterosphere, starting roughly from 80 km upwards, which includes the Thermosphere and Exosphere. These upper layers have varying composition, where lighter gases like hydrogen and helium dominate.
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