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5. Many scientists believe that the current period of global warming is related to increased levels of A. radon being released from the Earth's soil. B. carbon dioxide in the Earth's atmosphere. C. hydrogen in the outermost layer of the Earth's atmosphere. D. nitrogen in the Earth's atmosphere.

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alicegrant88
The correct answer is B. carbon dioxide in the Earth's atmosphere
The correct answer should be D, Nitrogen in the earths atmosphere.

https://climate.nasa.gov/causes/


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