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Beaches along the eastern and western coasts of North America are composed chiefly of quartz grains.

a. True
b. False

User JLundell
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1 Answer

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I think the answer is true. These beaches are composed mostly with sandstone which is mainly sand-sized minerals. These grains is made up of quartz and feldspar since these are the most common mineral found in Earth.
User Lester Celestial
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