Tremendous amounts of water flow steadily over Niagara Falls, which straddles the border of New York and the Canadian province of Ontario. The water moves at speeds ranging from 2 to 3 feet per second. Over time, what will most likely happen to the rock wall behind the falls?

Which of the following states would be easiest to govern based on its territorial morphology? (2 points) philippines indonesia south korea which of the following borders were commonly used to draw national boundaries in africa at the end of the colonial era? (4 points) cultural antecedent physical superimposed relic