What is the distance across Alaska from north to south?

Distance that the transcontinental railroad covered from omaha to san francisco.

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph

An enormous wave generated by an earthquake beneath the seafloor is known as a