The aurora borealis (northern lights) are caused byAnswer sunlight reflecting fr

Question

The aurora borealis (northern lights) are caused byAnswer sunlight reflecting from polar ice. emissions from atoms and molecules in the upper atmosphere excited by electrons from the sun. thunderstorms. an unknown process. sunlight reflecting from polar ice. emissions from atoms and molecules in the upper atmosphere excited by electrons from the sun. thunderstorms. an unknown process. sunlight reflecting from polar ice. emissions from atoms and molecules in the upper atmosphere excited by electrons from the sun. thunderstorms. an unknown process.

Explanation / Answer

emissions from atoms and molecules in the upper atmosphere excited by electrons from the sun.

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