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Sediment is deposited in a river delta because the

A large amount of magma that has crystallized beneath Earth’s surface is a

The Mohs scale is used to describe what physical property of minerals?

Ferromagnesian silicates are darker in color and have a higher density than nonferromagnesian silicates.

The plate boundary associated with the formation of new crust is called

Molten rock material from which minerals crystallize is called

S-waves from earthquakes travel through both solid and liquid, but P-waves cannot travel through liquid.

Magma is lava that is forced to the surface.

Earth formed layers because

Before lava reaches the surface, the molten material is called