Layers of Atmosphere

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

• Ionosphere

• Exosphere

• Mesosphere

• Troposphere

What is the second layer of the atmosphere called?

• Troposphere

• Mesosphere

• Exosphere

• Stratosphere

Which layer of the atmosphere contains the ozone layer?

• Stratosphere

• Mesosphere

• Troposphere

• Exosphere

Which layer of the atmosphere is known for containing the auroras?

• Troposphere

• Exosphere

• Mesosphere

• Thermosphere

What is the coldest layer of the atmosphere?

• Stratosphere

• Thermosphere

• Troposphere

• Mesosphere

Which layer of the atmosphere is where most weather phenomena occur?

• Stratosphere

• Exosphere

• Troposphere

• Mesosphere

Which layer of the atmosphere is where most commercial airplanes fly?

• Troposphere

• Mesosphere

• Stratosphere

• Exosphere

What is the outermost layer of the atmosphere called?

• Mesosphere

• Thermosphere

• Exosphere

• Troposphere

Which layer of the atmosphere is characterized by a gradual increase in temperature with altitude?

• exosphere

• troposphere

• mesosphere

• stratosphere

What is the boundary between the stratosphere and mesosphere called?

• mesopause

• stratopause

• exopause

• thermopause