6. How might human actions contribute to global warming?

A. Human actions cause small variations within a region.
B. Human actions emit carbon dioxide in several ways.
C. Human actions cause cooling of North Atlantic climates.
D. Human actions cause climates to change abruptly.



Answer :

Final answer:

Human actions contribute to global warming by emitting greenhouse gases like carbon dioxide into the atmosphere.


Explanation:

Human actions contribute to global warming primarily by emitting greenhouse gases into the atmosphere, with carbon dioxide being a significant one from activities like burning fossil fuels. These gases enhance the greenhouse effect, trapping heat energy and leading to global warming.


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