What does a physical map have that a political map doesn't?

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?