Answers DCSS Earth Systems CR 24-25 Structure and Composition of the AtmosphereQuestion 8

8

QuizMultiple Choice

Structure and Composition of the Atmosphere

Question 8 • DCSS Earth Systems CR 24-25

Which gas in Earth’s atmosphere has increased over time due to burning fossil fuels?

Answer

A

oxygen

B

nitrogen

C

water vapor

D

carbon dioxide

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