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?

5. there were nearly 1,000 pirate attacks between 1994 and 2005 off the coast of according to the international maritime bureau's annual piracy report for 2005.

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

The largest employer of cartographers is the