Which type or types of rock cannot be dated radiometrically?
A) igneous and metamorphic
B) sedimentary
C) metamorphic
D) igneous
Question 2
A potential difference (V) is applied to the ends of an object causing a current (I) to flow through it. If the object obeys Ohm's law we can obtain the resistance by
A) multiplying current by voltage.
B) dividing current by voltage.
C) calculating I2V.
D) dividing voltage by current.