Answer:
The formation of Niagara Falls was a slow process that still continues today. The annual freezing and thawing of the Niagara River wears away at the rocks under the surface and gradual erosion and periodic rockfalls steadily move Niagara Falls farther upstream.
Explanation:
During the first half of the 1800s, the Niagara Falls was moved upstream.
Niagara Falls refers to the geological wonder and is among the most famous waterfalls in the world. It's between the border of the United States and Canada. It's a popular tourist attraction and a source of hydroelectric power.
It should be noted that the formation of Niagara Falls was a slow process that still continues today. During the first half of the 1800s, the freezing and thawing of the Niagara River wears away at the rocks due to erosion and this moved the Niagara Falls upstream.
Read related link on:
https://brainly.com/question/23679149
