Which statement is true about the cell theory?

It is based on a random guess.

It is well-supported by evidence.

It is unchangeable and permanent.

It is a claim posed by some scientists.

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thank you!

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

-hails tea

explanation:

-t poses