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The two main categories of igneous rocks are ____________________ and ____________________.
Q16: The type of strain that occurs depends
Q20: If a rock is exposed to such
Q20: The Modified Mercalli Intensity Scale is a
Q24: The Appalachian Mountains of the eastern United
Q32: How does weathering differ from erosion?
Q34: The sail-like fin on the pelycosaur may
Q37: Volcanic island arcs are characteristic of which
Q70: Give an example of a caldera.
Q72: Why are the paths of seismic waves
Q87: In what climatic conditions is frost action