Social Studies, 31.10.2019 20:31, Geo777

Select the correct answer.
auroras are lights that appear at earth’s northern and southern poles. what is the main cause of an aurora?

a.
solar wind enters earth’s atmosphere, and particles interact with ions.
b.
bubbles of gas are ejected from earth’s outer crust.
c.
sunlight reflects off the surface of the moon during an eclipse.
d.
the northern and southern poles are cool

Answers: 1

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