Use of English · Parte 2

Open ClozeExercício 31 de 101

Climate Change

(0) FOR years now, scientists have (1) .......... warning us about global warming, patiently explaining how the human race has been producing massive amounts of pollutants (2) .......... the start of the Industrial Revolution. The theory is (3) .......... the amount of carbon dioxide in the air, which is generated as…

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