Chapter 15 Review

Which gas in our atmosphere is most abundant?

• Argon
• Oxygen
• Nitrogen
• Carbon Dioxide

This layer is where weather occurs.

• troposphere
• thermosphere
• exosphere
• 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

Which layer of the atmosphere contains the ozone layer? 

• Mesosphere
• Stratosphere
• Ionosphere
• Exosphere

Which layer protects humans from most of the harmful UV radiation received from the sun?

• Clouds
• Exosphere
• Ionosphere
• Ozone Layer

What happens to air pressure when you go up the atmosphere?

• decreases

• increases

• stays the same

• changes

This gas makes up 21% of the atmosphere

• ozone
• oxygen
• nitrogen
• water vapor

Where is the largest 'hole' in the ozone layer located?

• Over the United States

• Over Europe

• Over Antarctica

• Around the equator

The ozone layer protects us from

• Increased atmospheric heat

• CFCs

• UV rays

• Decreased atmospheric heat

Depletion of the ozone layer is caused by:

• Methane

• Carbon Dioxide

• UV rays

• Chlorofluorocarbons