A ________ is a protected area of water where ships can dock safely.

A ________ is a huge, slow-moving mass of ice.

__________ are snow-storms with strong winds.

A ________ is a large, open pit cut into the ground, from which stone is mined.

The ___________ is the smallest region in the United States.

The ____________ has four very different seasons.

Some people ______ stone to earn a living.