What caused china to turn to

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

Suppose you had to resolve the problems believed to be caused by distance decay in russia. what would you suggest?

If u make mistakes on a school trip to knotts like standing up on a ride too early and they ask you not to do it again or and if you do it again you will be escorted out will it go on my student record? yes i know it is a dumb question