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2 votes
"if you live in the midwestern united states or canada and you experience several days of winter temperatures below -20°c with clear weather, you are undoubtedly experiencing ________."

User Caseq
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2 Answers

7 votes
A pattern change.

Hope it helped!
User ToDayIsNow
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5.9k points
5 votes
A pattern change
Hope this helps
User Sdonk
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