200
Which of the following is not a true statement about landforms?
a. Some landforms change slowly.
b. Some landforms change quickly.
c. Some landforms change because of the activity of humans and other animals.
d. Landforms always stay the same, even after a long time.
e. Landforms change because the earth's surface is constantly changing.
d.Landforms always stay the same, even after a long time.