Question

a scientist observes a fault where the hanging wall has moved upward relative to the footwall. which type of fault is the scientist observing? normal reverse strike - slip horizontal

Explanation:

In a reverse fault, the hanging - wall moves upward relative to the footwall. In a normal fault, the hanging - wall moves downward relative to the footwall. Strike - slip faults involve horizontal movement of the blocks on either side of the fault plane. A horizontal fault is not a standard term for this type of fault classification.

Answer:

B. reverse