View the sequence on normal faults. which of the following happens at a normal fault? choose one or more:

a. the motion of the crustal blocks is referred to as strike-slip.
b. the hanging wall moves up relative to the footwall.
c. the footwall moves down relative to the hanging wall.
d. the hanging wall moves down relative to the footwall.
e. the crust experiences extension.

D. The hanging wall moves down relative to the footwall.

Explanation:

This is the option that best describes what happens at normal faults. A normal fault is a rupture in the Earth's crust in which one side of the fault moves downward with respect to the other side. The side that slides downward is called the hanging wall, while the other side is called the footwall. In this type of fault, the hanging wall moves down relative to the footwall.  Despite the name, it is important to remember that a "normal" fault is no more common or better than any other kind of fault.

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