Environmental Science Q2 Benchmark Review

Which gas makes up 78% of the atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Methane

Which is the correct order of atmosphere layers? (high to low)

• Exosphere --> Thermosphere --> Mesosphere --> Stratosphere --> Troposphere

• Exosphere --> Troposphere --> Mesosphere --> Thermosphere --> Stratosphere

• Mesosphere --> Exosphere --> Troposphere --> Stratosphere --> Thermosphere

• Stratosphere --> Mesosphere --> Troposphere --> Thermosphere --> Exosphere

Which layer of the atmosphere contains the ozone layer?

• Mesosphere

• Thermosphere

• Troposphere

• Stratosphere

Which sphere has the largest carbon reservoir (storage)?

• Hydrosphere

• Biosphere

• Lithosphere

• Atmosphere

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer Core

• Inner Core

Which gases make up most of the Earth's atmosphere? (3 answers)

• Oxygen

• Nitrogen

• Ozone

• Argon

Which layer of the atmosphere do we live in?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which layer of the atmosphere has the greatest air pressure?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Which layer of the atmosphere has the highest temperature?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

Which layer of the atmosphere is where auroras occur?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere