Submarine Canyon
Submarine Canyon's are steep-sided valley canyons cut into the seabed of the continental slope.
I believe the answer is Cordilleras
Hope this help, have a great night!
One piece of evidence to support the theory that south America and Africa were once connected; Continental Drift.
Answer:
Ice wedges are a big cause of potholes in roads and streets. As ice forms in the cracks of a street, the water expands and pushes against the surrounding rock, making the cracks wider, eventually breaking apart the rock.
