A large iceberg melts at the base but not at the top because ........

General Science (Easy) Physics

A large iceberg melts at the base but not at the top because

The base of iceberg remains in warmer conditions

ice at the base contains impurities

higher pressure at the base lowers the melting point office.

ice at the top is different kind

higher pressure at the base lowers the melting point office

The melting point of water decrease with increase in pressure.

As, P=ρgh

the pressure at the base of glacier is high, so its melting point decreases at the base.

This leads to melting of ice at the base, while upper part remains frozen.

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