Question
What is the fall line?(1 point)
Responses
a raised area in the foothills of the Appalachian Mountains
a raised area in the foothills of the Appalachian Mountains
a tall, steep area where rivers form rapids and waterfalls
a tall, steep area where rivers form rapids and waterfalls
a flat, lowland area on the coast of the Atlantic Ocean
a flat, lowland area on the coast of the Atlantic Ocean
a series of mountains and mountain ridges that are related
a series of mountains and mountain ridges that are related
Responses
a raised area in the foothills of the Appalachian Mountains
a raised area in the foothills of the Appalachian Mountains
a tall, steep area where rivers form rapids and waterfalls
a tall, steep area where rivers form rapids and waterfalls
a flat, lowland area on the coast of the Atlantic Ocean
a flat, lowland area on the coast of the Atlantic Ocean
a series of mountains and mountain ridges that are related
a series of mountains and mountain ridges that are related
Answers
GPT-4o mini
The correct response is:
**a tall, steep area where rivers form rapids and waterfalls.**
The fall line marks the geological boundary between the hard, metamorphic rocks of the Piedmont region and the softer sedimentary rocks of the coastal plain, resulting in rivers that flow over the fall line creating rapids and waterfalls.
**a tall, steep area where rivers form rapids and waterfalls.**
The fall line marks the geological boundary between the hard, metamorphic rocks of the Piedmont region and the softer sedimentary rocks of the coastal plain, resulting in rivers that flow over the fall line creating rapids and waterfalls.