8. Which statement is true of all rocks? a. Rocks contain organic material.
b. Rocks contain fossils.
C. Rocks are composed of minerals.
d. Rocks are formed in layers.

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d