What did the 5 major rivers have in common

Explanation:

Five Major U.S. Rivers. SS3G1 The student will locate major topographical features. a. Identify major rivers of the United States of America: Mississippi, Ohio, Rio Grande, Colorado, Hudson, Johns River and the Nile River are the only two rivers in the world that flow north." In this editorial he explains that there are hundreds of rivers that flow north and; in fact, the St. Johns River flows south as well

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.