Why is it possible to use physical properties to sperate a mixtuere

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

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Why might a geographer choose to present information in a map rather than with stactics or in me asap