What is the isolated rock left after a sea arch collapses called?
Answer and explanation
Correct answer: Sea stack
The governing concept is the sequential development of coastal erosional landforms. Wave erosion enlarges a cave into an arch; when the arch roof becomes unstable and collapses, a detached vertical remnant remains offshore or near the cliff. This remnant is called a sea stack. A sinkhole forms in soluble limestone, a drumlin is glacial, and an oxbow lake is created by river-meander cut-off, so option D is the only suitable answer.
Frequently asked questions
What is the correct answer to this question?
Sea stack
Why is this the correct answer?
The governing concept is the sequential development of coastal erosional landforms. Wave erosion enlarges a cave into an arch; when the arch roof becomes unstable and collapses, a detached vertical remnant remains offshore or near the cliff. This remnant is called a sea stack. A sinkhole forms in soluble limestone, a drumlin is glacial, and an oxbow lake is created by river-meander cut-off, so option D is the only suitable answer.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Introduction to Accounting.
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