Pretty tricky...

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Fred

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Lilly

„ Could you already make some progress? “
„ No, but let's think about it together. If the ice on the poles melts, it becomes water. “
„ And what happens then? The water flows into the oceans. It can actually flow to the equator. “
„ Hm, yes, exactly, it spreads over all the earth's surface. “
„ And that would somehow shorten the nights? “
„ In order to shorten the nights, what would have to happen?“