I think cities but is this about country
Answer:
commonly used to farm on hilly or mountainous terrain.
Explanation:
<u>ANSWER:</u>
The Grand Canyon was formed by erosion.
<u>EXPLANATION:</u>
- The Grand Canyon is a 'Steep-sided canyon' carved by the 'Colorado river'.
- The Grand Canyon is '446 km long', '29 km wide' and has a depth of over 1857 meters.
- The recent studies have showed that the 'Colorado river' and its tributaries ran through the 'area' about '5 to 6' million years ago.
- Since that time, there is constant erosion by Colorado river. In this way the 'Grand Canyon' was formed by 'erosion'.
