How do water particles move in a wave? a. they move forward with the wave. b. they move in a circular motion. c. they move up and down. d. they move side to side.

churchill warned that the soviet union had cut eastern europe off from the west with an "iron curtain."

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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: