Lack of economic development!!! i hope that helps you
Corn is a primary subsistence crop is in danger due to soil erosion
Florida has 1,350 miles of coastline or shoreline.
California has 840 miles of shoreline.
Texas has 367 miles of shoreline.
Massachusetts has 192 miles of shoreline.
So the correct answer is Florida.
The Grand Canyon is about 5-6 million years old, or was formed about 5-6 million years ago