Physical Weathering Is the Breakdown of Rock by Mechanical Processes

question 45

True/False

Physical weathering is the breakdown of rock by mechanical processes that involve chemical alteration.

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Definitions:

Columnar Joints

Vertical, pillar-like structures that form in basalt and other rocks due to cooling and contraction.

Scratch Marks

Linear abrasions on a rock surface, often caused by the movement of a glacier and carrying debris across the rock.

Folded Metamorphic Rocks

Metamorphic rocks that have been bent or curved into folds due to intense heat and pressure over long periods.

Fault Scarp

A fault scarp is a steep incline or cliff formed by the movement of a fault, where one side of the fault has moved vertically with respect to the other.