LT 6.1 Retake #1

Front

What is the layer of the atmosphere closest to Earth's surface?

Back

Troposphere

Front

Where does the aurora occur due to the collision of energetic charged particles with atoms?

Back

Thermosphere

Front

Which layer of the atmosphere is known to be the coldest?

Back

Mesosphere

Front

In which layer of the atmosphere do commercial airplanes typically fly?

Back

Stratosphere

Front

At what altitude does the thermosphere start?

Back

80 km (50 miles) above Earth

Front

What is the primary function of the troposphere?

Back

It is where weather occurs and where most of the atmosphere's mass is located.

Front

What is the significance of the stratosphere?

Back

It contains the ozone layer, which absorbs and scatters ultraviolet solar radiation.

Front

What happens in the mesosphere?

Back

It is where most meteors burn up upon entering Earth's atmosphere.

Front

What is the temperature trend in the thermosphere?

Back

The temperature increases with altitude due to the absorption of high-energy radiation.

Front

What is the boundary between the troposphere and the stratosphere called?

Back

Tropopause