What causes currents to flow between the poles and the equator?
a. tsunamis
b. earth's rotation
c. the coriolis effect
d. uneven solar heating

What evidence supports geological processes changing the surface of the earth? cutting down forests creates a decrease of habitats. tectonic plates uplift the rocky crust of earth to form mountains. competition in ecosystems creates a decrease in diversity. pollution runoff contaminates a lake.