Which statement about the polar vortex is correct?
It is a rare event that has started to occu...
Which statement about the polar vortex is correct?
It is a rare event that has started to occur in recent
years.
It is a large area of high pressure and warm air.
It weakens in summer and strengthens in winter.
It forms over the Great Lakes and moves toward Earth's
poles.
Answers: 2
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Which is not a controlling idea in the essay? a) average joggers b) importance of tradition eliminate c) olympic-level competitors d) frรคbel-designed crystal peach
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