Mark the correct alternative, according to the text. The word “it”, in boldface and italics (paragraph 5), refers to:
a) global warming.
b) the gre...
Mark the correct alternative, according to the text. The word “it”, in boldface and italics (paragraph 5), refers to: a) global warming. b) the greenhouse effect. c) rising sea levels. d) the 21st century. e) the IPCC report.
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