AnswersPARTA - EOP PGCPS BIOGEOCHEM CR FALL2026 - 798113Structure and Composition of the AtmosphereQuestion 8
8
QuizMultiple Choice

Structure and Composition of the Atmosphere

Question 8 • PARTA - EOP: PGCPS BIOGEOCHEM CR (FALL2026) - 798113

Which gas in Earth’s atmosphere helps living things make proteins?

Answer
A
oxygen
B
nitrogen
C
water vapor
D
carbon dioxide
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