31
practice examMultiple Choice

Practice Exam

Question 31 • Earth and Space Science

Considering the steady rise in atmospheric CO₂ levels shown in the graph, what can be inferred about the balance between CO₂ emissions and the Earth's natural ability to absorb CO₂?

Answer
A
The Earth's natural processes are removing more CO₂ than is being emitted.
B
Natural absorption processes are keeping pace with CO₂ emissions.
C
Carbon dioxide emissions are decreasing, leading to lower atmospheric concentrations.
D
Carbon dioxide is being emitted faster than it can be absorbed, disrupting the natural balance.

Explanation

A steady rise in atmospheric CO₂ means the amount entering the atmosphere is greater than the amount removed by natural processes. Therefore, carbon dioxide is being emitted faster than it can be absorbed, disrupting the natural balance.

AI-written and checked against the verified answer.

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