Question

Which of the following phenomenons would be considered an observable indication of global warming?



the increased use of automobiles in the 20th century



deforestation in the Pacific Northwest of the United States



rising sea levels recorded due to melting glaciers



an increase in recycling of consumer waste products

Answer 1

A., B., and D. are all man made actions that contribute to the phenomenon of global climate change one way or another. C. is the only one that actually comes about as a result of global warming / climate change.

Answer 2

definettyl c