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Which of the following statements is not correct?
A rock is an aggregate of minerals.
A rock can be entirely made up of a single minerals species.
A rock can be as hard as granite and as soft as clay.
A rock has a fixed chemical formula.
A rock does not have fixed chemical formula. Apart from that the Rock or stone is a natural substance,a solid aggregate of one or more minerals or mineraloids.For example granite,a common rock,is a combination of the minerals quartz,feldsparand biottle.The Earrth's outer layer the lithosphere, is made of rock.Rock has been used by humankind throughout history.
By: Shubham Tiwari ProfileResourcesReport error
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