m – n/5, when m = 16 and n =
Answer to relevant QuestionsThe simple interest I on a principal of P dollarsBowen’s idea of fractional crystallization of basaltic magma as a means of producing the broad variety of igneous rocks, while certainly a natural and laboratory process, does not completely answer the big picture. Why not?How does the rate of cooling of a magma affect grain size of the resultant rock, and why? (See Fig. 3.4.)What is the most obvious evidence that lava extruded under water?What are the two most abundant igneous rocks?
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