AnswersSS4 PGCPS EARTH SPACE OC SUMMER 2027 - 794243Structure and Composition of the AtmosphereQuestion 2
2
QuizMultiple Choice

Structure and Composition of the Atmosphere

Question 2 • SS4: PGCPS EARTH SPACE OC (SUMMER 2027) - 794243

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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