Quartz is made of the elements silicon and oxygen; therefore, it is a compound.
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Q3: Minerals are made of rocks.
Q4: Magmas are classified based on silica content.
Q5: The glassy texture of obsidian is the
Q6: An electron is the smallest unit of
Q7: Calcite is an example of a silicate
Q9: Running water is the most effective method
Q10: A limestone that is metamorphosed becomes marble.
Q11: Matter is anything that has mass and
Q12: Sedimentary rocks that are composed of rounded
Q13: Igneous rocks are classified by composition and
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