what happened was:
1. the sea water around the poles used to be heated by the sun but the pole ice never melted.
2. This changed and instead the ice was being heated but the sea water was freezing up.
3. The whole Earth was covered in thick sheets of ice.
4. The ice melted and formed glaciers.
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1. the sea water around the poles used to be heated by the sun but the pole ice never melted.
2. This changed and instead the ice was being heated but the sea water was freezing up.
3. The whole Earth was covered in thick sheets of ice.
4. The ice melted and formed glaciers.
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i watched it on a documentry. One comes on every week about the Earth.
