C) it rises into the atmosphere
Tiny particles of water break away from the liquid in the puddle and go into the air , hence the atmosphere.
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Your question: What physical feature marks the eastern boundary of the cultural subregion known as European Russia..?
Your answer: The Ural Mountains physical feature marks the Eastern boundary o f the cultural subregion known as European Russia.
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Answer:
Iceland
Explanation:
I put the coordinates in Maps :)