Layers of the Atmosphere

This gas makes up 21% of the atmosphere

• ozone
• oxygen
• nitrogen
• water vapor

This layer of the atmosphere contains most of the ozone.

• troposphere
• thermosphere
• mesosphere
• stratosphere

Which of the following is the correct order of the atmosphere layers from Earth to space?

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, thermosphere, exosphere, stratosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere
• troposphere, stratosphere, mesosphere, exosphere, thermosphere

This layer is where weather occurs.

• troposphere
• thermosphere
• exosphere
• stratosphere

What causes the temperature to increase in the stratosphere?

• Nitrogen
• Ozone
• Water Vapor
• carbon dioxide