Help please What type of clouds are shaped like a column? They can start low in the sky but can stretch
to high in the sky. These are thunderstorm clouds. They can bring heavy rains, snow, and hail.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

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