Which funnel-like depression forms by solution in a limestone region?
Answer and explanation
Correct answer: Sinkhole
The governing concept is karst topography produced by chemical solution. Rainwater absorbs carbon dioxide and becomes mildly acidic; as it moves through cracks, it dissolves soluble limestone. Continued underground solution can enlarge the opening and create a funnel-shaped surface depression called a sinkhole. A delta is river deposition, a sand dune is wind deposition, and a sea cliff is shaped by marine erosion, so option B is correct.
Frequently asked questions
What is the correct answer to this question?
Sinkhole
Why is this the correct answer?
The governing concept is karst topography produced by chemical solution. Rainwater absorbs carbon dioxide and becomes mildly acidic; as it moves through cracks, it dissolves soluble limestone. Continued underground solution can enlarge the opening and create a funnel-shaped surface depression called a sinkhole. A delta is river deposition, a sand dune is wind deposition, and a sea cliff is shaped by marine erosion, so option B is correct.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Introduction to Accounting.
