What kind of fault indicates that crust has been pulled apart? a. reverse b. strike-slip c. normal d. all of the above

I believe the answer is A

d.all of the above

Explanation:

    Geological fault is the rupture or splitting of a block of rocks or narrow bands of the surface that is responsible for the displacement of its parts. The accumulation of energy and its eventual release in geological fault zones is one of the factors responsible for the occurrence of earthquakes.

    The types of geological fault vary according to the criteria used in their classification. In the present approach, they are typified in three different forms: normal, reverse, and transcurrent.

are you referring to matrix mathematics!