Wheat is the correct answer because they were known for their agricultural and farms
1. St. Marks
2. The mountains in the west were taller than the mountains in the east.
3. The middle United States has fewer changes in elevation than the western United States.
The correct answer to the question is Environmental Protection Agency. The U.S. agency, Environmental Protection Agency, enforces environmental regulations, which helps people to interact with the environment in sustainable ways. Environmental Protection Agency also protects the human health and handles the legality of actions towards environment and health.