Atmosphere layers quick check answers

1. What is the coldest layer of the atmosphere?

The coldest layer of the atmosphere is the mesosphere.

2. What layer of the atmosphere contains the ozone layer?
The stratosphere contains the ozone layer.

3. In which layer does weather occur?
Weather occurs in the troposphere.

4. Which layer of the atmosphere is closest to Earth's surface?
The troposphere is the layer of the atmosphere closest to Earth's surface.

5. Which layer of the atmosphere is the thinnest?
The exosphere is the thinnest layer of the atmosphere.