What causes geologic events such as earthquakes, volcanic eruptions, and the creation of mountains?

  a. 

ocean tides

  b. 

lithospheric plate movement

  c. 

position of the planets

  d. 

atmospheric pressure

B. lithospheric plate movement

Explanation:

Major geographical events, such as earthquakes, volcanic eruptions, and mountain building, result from the movements of the lithospheric plates. The theory of plate tectonics explains the formation and movement of the earth's plates.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: