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Describe how and where new crust material is made. Describe how and where old crust is destroyed.? In one mole of the compound iron(III) oxide,
what fraction of the total number of ions is
the oxygen ion? Questions for medicine I could not get it and I need your help? W800: How many degrees C° does w800 reach? Problem involving math induction! If m and n are distinct real numbers, prove that (m+2)^2 = (n+2)^2 if and only if x+y=-4?