<P> Thematic maps serve three primary purposes . </P> <Ol> <Li> They provide specific information about particular locations . </Li> <Li> They provide general information about spatial patterns . </Li> <Li> They can be used to compare patterns on two or more maps . </Li> </Ol> <Li> They provide specific information about particular locations . </Li> <Li> They provide general information about spatial patterns . </Li>

Why do cartographers and scientists create thematic maps