How would Earth's atmosphere be different today if Earth contained no liquid water?
A) It would have more nitrogen.
B) It would have more oxygen.
C) It would have more carbon dioxide.
D) It would be as thin as Mars's atmosphere.

Question

Quizplus · Accepted Answer

Without liquid water, Earth's atmosphere would have more carbon dioxide because water plays a crucial role in carbon sequestration, absorbing CO2 and thus reducing its atmospheric concentration.

How Would Earth's Atmosphere Be Different Today If Earth Contained