The Grand Canyon was formed through constant erosion from the Colorado River. Which popular formation in the list below was also formed by erosion?

The Cliffs of Dover

The Marianas Trench

The Rocky Mountains

Mount St. Helens

the rocky mountains is the answer look it up for more info

i believe that if you say you can, you cant and if you say you can't your right. i believe i can do anything i set my mind to. i've applied this with my everyday life. it me get motivated to do stuff.for example, i apply this to do school. if i believe i can finish a whole class in a couple of week's i will be motivated to do the class until i finish it, and if i believe i can't, i will get distracted and do other stuff besides doing my work. it changed me by believing i can accomplish anything i set my mind to.