Ais fractured land in which one side has moved up, down, or sideways compared to the other side?
a) joint
b) split
c) hinge
d) fault

D) Fault

Explanation:

Fault's Definition:

a fracture in which the separate pieces move up, down, or sideways relative to one another

Joint's Definition:

appear in rock due to movement of plates

Split's Definition:

a tear, crack, or fissure in something, especially down the middle or along the grain.

Hinge's Definition:

attach or join with or as if with a hinge.

If you put each word in the sentence that the question gives you, fault would fit the most and to make sure, compare the definition and notice that that is the only word that defines that sentence!

the rub-al-khali is also known as the arabian desert and the "empty quarter"

2b2t

explanation:

2b2t