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Which of the following statement is not true about Thermosphere'?
5Q:
Which of the following statement is not true about Thermosphere'?
- 1The Thermosphere lies below the mesosphere.true
- 2The increase in temperature in this layer is due to absorption of X-ray & uv - radiation of the sun by gas molecules.false
- 3It is also known as ionosphere.false
- 4It helps in long distance communications.false
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