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The base level of a tributary would become ________ if a dam and a reservoir were constructed where it flowed into a trunk stream.

The color of a mineral in powdered form is termed ________.

Mid-ocean ridges (MORs), which are the sites of new oceanic crust formation, are linear mountain chains that run along divergent plate boundaries. Why does an MOR sit up higher than the surrounding oceanic crust?

The flat-lying area surrounding a river channel is termed the ________.

Chemical and biochemical rocks are classified primarily on the basis of ________.

A surface along which rock on opposed sides is offset by an earthquake-induced slip is called a ________.

At a subduction zone, the overriding plate ________.

Scientists believe that the Moon formed due to a large planetesimal colliding with the Earth because it has a composition similar to ________.

The Jovian planets are ________.

The figure below shows mafic magma as it meets the seafloor, which cools to form an igneous rock called ________.