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19. Characteristics of Mesosphere and Exosphere

Choose the correct statements [one or more statements may be correct choose all the correct statements]

The mesosphere extends between 50km and 80km.
In the mesosphere, temperature decreases with increasing height, falling as low as -90 degree celsius.
Radio waves are absorbed by Mesosphere.
Mesosphere extends from Mesopause to 80 km above the Earth Surface.

Exosphere is extremely rarefied with gases and gradually merges with the interplanetary space.
The uppermost limit of the mesosphere is mesopause.
The uppermost limit of the mesosphere is mesopause.

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