What evidence do scientists have that erosion works slowly over long periods of time?

A noticeable evidence is that the Amazon was formed as a result of wearing away that has occurred over millions of years. Another good example is the Grand Canyon in the United States of America, it was formed as a result of erosion that occurred over 3 million years.

y1 x-1.

Step-by-step explanation:

Y = 1 X = -1.