How do you use a map to correct for magnetic declination?

The primary agent of contact metamorphism is

Circle the letter of the sentence that describes how a fault-block mountain is created. a. it is created by two normal faults b. it is created by two reverse faults c. it is created by a strike-slip fault d. it is created by shearing

Which is a mathematical statement consisting of a hypothesis and conclusion that has to be proven true? definition