EARTH'S ATMOSPHERE

What is the lowest layer of the Earth's atmosphere?

• Stratosphere

• Mesosphere

• Troposphere

• Thermosphere

Which gas makes up about 78% of the atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Which layer of the atmosphere contains the ozone layer?

• Exosphere

• Mesosphere

• Stratosphere

• Troposphere

What is the second layer of the Earth's atmosphere?

• Mesosphere

• Troposphere

• Exosphere

• Stratosphere

What is the uppermost layer of the atmosphere?

• Stratosphere

• Mesosphere

• Thermosphere

• Exosphere

What is the layer of the atmosphere where weather occurs?

• Troposphere

• Stratosphere

• Thermosphere

• Mesosphere

Which layer of the atmosphere is directly above the troposphere?

• Exosphere

• Stratosphere

• Thermosphere

• Mesosphere

What is the primary component of the Earth's atmosphere?

• Argon

• Carbon dioxide

• Oxygen

• Nitrogen

Which layer of the atmosphere is known for its temperature increase with altitude?

• Troposphere

• Mesosphere

• Thermosphere

• Stratosphere

What is the primary function of the ozone layer?

• To trap heat

• To provide oxygen

• To create weather patterns

• To protect from UV radiation