Which of the following statements is true? the sides of a glacier move more quickly than the middle. most glaciers are found in mountainous areas near the equator. glaciers and ice caps have the same salinity as ocean water. glaciers create wide, u-shaped valleys and sharp-peaked mountains.

A glacier is a large, slowly moving mass of thickened ice that can develop anywhere. It develops over a long period of time. 
Of all the statements given above, the true statement is that- Most glaciers are found in the mountainous areas near the equator.
This is because very low temperatures occur at high altitudes. Glaciers are found in the high mountains of South America and Africa.