Answer: See attached explanations
Mid-Ocean Ridges
Two examples of Mid-Ocean Ridges are the Mid-Atlantic Ridge and the East Pacific Rise.
Explanation:
Mid-ocean ridges are mountain-like geographical features on the ocean floor. They usually line along the divergent boundaries of tectonic plates moving away from each other. This is because as the plates move in opposite direction, the vacuum in between the plates is filled by upwelling magma from the mantle. Usually the texture of the rocks that form these mountain ridges has bands. This is because, before the magma cools, the iron in the magma (due to its ferromagnetic property) aligns with the earths magnetic field. The earth magnetic flux flips over several 1000 years hence these bands orient themselves differently depending on the magnetic field orientation at the time they were formed.
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The chemical formula for aluminum flouride is C). AlF3.
