1.   They are recent arrivals, for the whole country was covered by ice until a few thousand years ago.

2.   In the north the ground becomes very cold as the winter snow and ice covers the ground.

3.   Emily Pederson, who moved to Watertown four months ago from Sioux City, Iowa, with her husband, said ice covered trees and nearly everything else.

4.   I approved when he tried to talk a customer out of ordering a frozen margarita, saying the ice covered the flavors.

5.   Ice covered the windowpanes.

6.   Ice quickly covered my windshield, almost instantly blocking my view.

7.   It will take three or more months to assess the full extent of the damage as much of the upper Tisza is covered by ice.

8.   Most of Lake Erie is now covered by ice.

9.   No one really knows how long ice has covered Antarctica.

10.   With the oceans covered by ice, carbon dioxide burped out by volcanoes would build up in the atmosphere.