Why are helium and hydrogen found in exosphere?
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Because of their low molecular weight, they can be easily escape from the atmosphere.
So,they are found in exosphere.
So,they are found in exosphere.
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3
Answer:
The base of the exosphere is called the critical level of escape because, in the absence of collisions, lighter, faster-moving atoms such as hydrogen and helium may attain velocities that allow them to escape the planet's gravitational field.
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