Which piece of evidence did alfred wegener use to develop the theory of continental drift?
a. undersea mountain ranges
b. basalts on the ocean floor
c. paleomagnetism on the seafloor
d. similar fossils on different continents

According ti the following map, what are the most common mineral resources found in the united states?

How can studying economics us make better choices about how to use scare resources

This image shows a volcanic eruption in hawaii with lava flowing into the sea. which statements best describe this eruption? check all that apply. its magma is high in silica. its magma has low viscosity. its lava came from a quiet eruption. its lava sets fire to everything in its path. its lava came from an explosive eruption.