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polarity
mastery UK /pəˈlæɹɪti/ US [pəˈlɛɹɪɾi]noun
card 1 of 10 · fill in the blank
They're saying that the Sun's magnetic field is about to _____ its polarity.
card 1 of 10 · fill in the blank
They're saying that the Sun's magnetic field is about to _____ its polarity.