The answer is in the photo
migration rates,birth rates and death rates are all ways to measure changes in the population?
it gives you a certain direction, north, south,east,west, and in-between!
Both are igneous rocks, but whereas volcanic rocks are formed from cooling lava on the surface, plutonic rocks are formed from cooling magma below the surface. So plutonic rock is an igneous intrusive rock, while volcanic rock is extrusive.
