yes, they did
The Laurentide Ice Sheet was thought to be two miles (3.2 km) thick around Nunavik Canada.
Yes, the Laurentide ice sheet came as far south as Kansas City and St Louis.
iron starts melting
it start melting again
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When solid start to turn into liquid its melting point. When liquid start turning into solid its freezing point.
the melting point
melting snow
When its warm
when temperature start increaseing from 0 degree, ice start melting