Question

Which statement about the earth’s atmosphere is true? Please help

A. A recent increase in carbon dioxide levels can contribute to a long-term cooling of Earth’s climate.

B. A recent decrease in carbon dioxide levels will increase plant growth on Earth.

C. In the past few decades, carbon dioxide levels have been rising.

D. In the past few decades, carbon dioxide levels have been falling.

:)

Answer 1

D. in the past few decades, carbon dioxide levels have been falling.