All of these statements are correct.
Answer:
According to the American government's Climate Change Science Program, "With continued global warming, heat waves and heavy downpours are very likely to further increase in frequency and intensity. Substantial areas of North America are likely to have more frequent droughts of greater severity.
A whistle-stop campaign is best described by the second choice:
<span>short campaign speeches given by a politician from a train
This takes its name from how trains would stop at various stations with a whistle sound, and a politician would speak for a short while to gain campaign support, then quickly leave with the train for the next station to do the same thing.
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