Over time, which of the following has happened to Niagara Falls?
A) They have become rapids.
B) They have migrated several kilometers upstream.
C) They have migrated several kilometers downstream.
D) They have drained away most of Lake Ontario's water.
E) They have evolved into the world's most famous example of stream capture.

Question

Quizplus · Accepted Answer

Niagara Falls has migrated several kilometers upstream due to erosion. The water flowing over the falls erodes the rock at the base, causing the falls to slowly move upstream over thousands of years.

Over Time, Which of the Following Has Happened to Niagara