Question

why troposphere is called dence layer​

Answer 1

Answer:

The troposphere is the shortest layer of the atmosphere. It rises to only about 12 kilometers (7 miles) above the surface. Even so, this layer holds 75% of all the gas molecules in the atmosphere. That's because the air is densest in this layer.

Step-by-step explanation:

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Answer 2

Closest to the surface of Earth, we have the troposphere. “Tropos” means change. This layer gets its name from the weather that is constantly changing and mixing up the gases in this part of our atmosphere.

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