asked 170k views
5 votes
How do humans

contribute to the level of
carbon dioxide in the
atmosphere?
A. the growing of bone structures
B. the burning of fossil fuels this
C. during photosynthesis

asked
User Pinoniq
by
7.9k points

1 Answer

1 vote

Answer: B

Explanation: Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.

answered
User Nikola Schou
by
8.1k points

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