Question

Why doesn't air from the troposphere and the stratosphere mix freely?

Answer 1

Explanation:

• At the top of the troposphere is a thin layer in which the temperature does not change with height. This means that the cooler, denser air of the troposphere is trapped beneath the warmer, less dense air of the stratosphere. Air from the troposphere and stratosphere rarely mix.

• Air pressure and the density of the air also decrease with altitude. The air in the troposphere is 'well mixed' because it is constantly churning and 'turning over' as warm air at the surface rises and colder, denser air at altitude descends to take its place. This is not the case for all layers in the atmosphere.

Answer 2

Answer:

Reason;

At the top of the troposphere is a thin layer in which the temperature does not change with height. This means that the cooler, denser air of the troposphere is trapped beneath the warmer, less dense air of the stratosphere. Air from the troposphere and stratosphere rarely mix

2)Tropopause. At the top of the troposphere is a thin layer of air called the tropopause. This layer acts as a barrier. It prevents cool air in the troposphere from mixing with warm air in the stratosphere.