Why is the grand canyon so deep while other rivers aren't? they have the same amount of water in them.

Well the grand canyon is deep only because the water eroded the sides of the canyon over a long period of the time. so im guessing the same way goes for it being deep since it was a river

The Grand Canyon is millions of years old and the sides have eroded and become extremely deep over the years

It is the second answer

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.