Thermosphere — task. Social Science, Class 9.

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Choose the correct statement.

1.

The rise in temperature in thermosphere is mainly due to the fact that the gas molecules in this layer absorb the X-rays and ultraviolet radiation of the Sun.
The thermosphere lies below mesosphere.

2.

In the thermosphere, the temperature decreases with increasing height.
The upper portion of the thermosphere having an uneven composition of gases is referred to as the “Heterosphere”.

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