Which was formed by erosion? the Rocky Mountains the Pacific Ocean the Grand Canyon the Galapagos Islands

<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'.