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Approximately how much more energy is released in a 6.5 Moment Magnitude earthquake than in one with Mw of 5.5?

The mantle is composed mainly of metallic iron with small amounts of magnesium silicate minerals.

Which of the following shoreline features forms only in tectonically active areas?

The mantle is composed mainly of metallic iron with small amounts of magnesium silicate minerals.

The mantle is composed mainly of metallic iron with small amounts of magnesium silicate minerals.

Repeated eruptions of relatively fluid lava from fissures can eventually cause an area to be covered by flood basalts.

Low ridges of land, parallel to the coast, along the Atlantic and Gulf coasts, are known as ________.

The large mineral grains in a porphyritic igneous rock are called ________.

The crust, mantle, and outer core are solid.

Aa flows are generally thinner and have smoother surfaces than pahoehoe flows.