Question

how water vapour are not found in the layer above the troposphere​

Answer 1

Explanation:

Because there atmosphere is very cool that's why water vapour are not found in layer above the troposphere

hope it's help you

Answer 2

Answer:

The troposphere is wider at the equator than at the poles .Temperature and water vapor content in the troposphere decrease rapidly with altitude. Water vapor plays a major role in regulating air temperature because it absorbs solar energy and thermal radiation from the planet's surface.