answersLogoWhite

0


Best Answer

The midwest was once an inland sea. Over time organic sediment that sunk to the bottom of the sea created a uniformly flat surface on the sea floor. When the sea dried the sediment was left uniformly flat.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What made the Midwest so flat?
Write your answer...
Submit
Still have questions?
magnify glass
imp