Question

Which type of weathering and erosion is primarily responsible for the formation of caves?
a) Chemical weathering and groundwater flow b) Chemical weathering and runoff
c) Physical weathering and groundwater flow d) Physical weathring and runoff

Answer 1

Explanation:

c is correct answer

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Answer 2

The type of weathering and erosion primarily responsible for the formation of caves is a) Chemical weathering and groundwater flow.

Caves are typically formed in limestone or other soluble rocks that are susceptible to chemical weathering by groundwater. As groundwater moves through these rocks, it dissolves and carries away the minerals, creating openings and cavities in the rock. Over time, these openings can grow larger and develop into underground caves.

Physical weathering, such as frost wedging or abrasion, can also contribute to the formation of caves by breaking down the rock and creating openings. However, it is the chemical weathering of the rock by groundwater that is the primary mechanism for cave formation.

Runoff can erode the surface of the landscape and create valleys, canyons, and other landforms, but it is not typically involved in the formation of caves. Therefore, options b) and d) can be ruled out.

Thus, the correct answer is a) Chemical weathering and groundwater flow.


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