ICSE BoardEnglish MediumSTD 7GeographyTypes of Rocks3 Marks
Question
How are rocks different from minerals?
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Answer
Minerals are natural inorganic substances having a crystalline form with definite physical and chemical properties whereas rocks are made up of a combination of different minerals compacted together. There are about 2,000 minerals in the earth’s crust and these combine differently to form various kinds of rocks.
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