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1) if we had known about the effects of global warming, we would act sooner
2) the ice caps wouldn't have started to melt if people have protected the environment
3) The city wouldn't have flooded if it had
1) if we had known about the effects of global warming, we would act sooner
2) the ice caps wouldn't have started to melt if people have protected the environment
3) The city wouldn't have flooded if it had
Answers & Comments
2.Ice caps would not melt if people protected the environment
3.The city was not flooded if it