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geography
rocks
Question | Answer |
---|---|
what do rocks differ from each other in? | mineral content texture hardness colour |
what are the three types of rock groups? | sedimentary igneous and metamorphic |
what are intrusive rocks? | are formed from material that cooled inside the crust |
what are extrusive rocks? | are formed from material that cooled on the surface |
what are two types of igneous rocks? | granite and basalt(explain them in head) |