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.

Select the statement that is false. a ocean currents move cold water from the equator toward the poles. b ocean currents generally flow clockwise in the northern hemisphere. c ocean circulation patterns and the water cycle are physical processes. d ocean circulation patterns are caused by their interaction with the atmosphere, pressure, and the earth's rotation.