After reading the paragraph, select the sentence that identifies the theme. A glacier is a river of ice. It starts as a pack of snow. When the winter snowfall is so great that it does not melt in the summer, it causes the pack to grow. The summer wind layers it with dirt, and it continues to build into a hard body of ice. The weight of the glacier moves it slowly downhill.

The paragraph tells how glaciers are like rivers.
The paragraph tells how a glacier is formed.
The paragraph tells how glaciers are hard.

What is meant by a symmetrical unimodal distribution? a. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. b. a distribution is a pattern of frequencies for the various values of a variable collected in a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. c. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is a uniform frequency, meaning the frequency of every value is same, and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other.

A(n) is an alliance or collection of parties.

97 points what types of changes have been made in the united states to protect people from earthquakes? a. communities are no longer located along fault lines. b. building codes ensure that structures can withstand shaking. c. warnings go off when an earthquake is expected, and people evacuate the area. d. barriers have been built to prevent flooding by a tsunami.