which natural resource has benefited both native americans and modern americans since early times?

List the sentences. keep in mind when you use sarcasm you are saying one thing in a tone to make it clear you are joking. like for instance, pretend you get a math test from your teacher. you’d most likely say, “oh yay.. a math test.” but you’d have the tone to give it the “oh come on” feeling. does this at all?

A,) cause a & b are equal & both gives 180°