When waves cut completely through a headland, a ____________ is formed.

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Multiple Choice

When waves cut completely through a headland, a ____________ is formed.

Explanation:
Waves carving into a headland create features through progressive erosion. As the base is attacked, a notch enlarges until the sea cuts all the way through, forming an arch with an opening to the sea. That arch is the structure you get at this stage. Over time, continued erosion and weakening can cause the arch to collapse, leaving a sea stack—the remaining isolated pillar. So, the completion for the described process is an arch, with a sea stack coming later after collapse.

Waves carving into a headland create features through progressive erosion. As the base is attacked, a notch enlarges until the sea cuts all the way through, forming an arch with an opening to the sea. That arch is the structure you get at this stage. Over time, continued erosion and weakening can cause the arch to collapse, leaving a sea stack—the remaining isolated pillar. So, the completion for the described process is an arch, with a sea stack coming later after collapse.

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