Question

A plateau is made of sandstone of varying densities. How is the plateau likely to change over time?

Smooth columns would form due to deposition at the same rate.
Smooth columns would form due to erosion at the same rate.
Stacked columns would form due to erosion at a different rate.
Stacked columns would form due to deposition at the same rate.

Answer 1

Stacked columns would form due to erosion at a different rate.

Step-by-step explanation:

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Answer 2

Due to the fact that the sandstone in the plateau has varying densities throughout, it will gradually erode over time. However, the areas of different densities will erode at different rates. This type of erosion will result in a stacked column rather than a smooth column which would occur if the density of sandstone was consistent throughout the plateau.

Therefore, the answer is: Stacked columns would form due to erosion at a different rate.