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 geology, a reverse fault occurs when 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 have horizontal movement along the fault plane, and a horizontal fault is not a standard term for this type of fault classification.

Answer:

B. reverse