Question

what feature makes up much of the U.S border with Mexico
Ms. Sue
What river do you see on this map that makes up part of this border?

http://www.worldatlas.com/webimage/countrys/namerica/usstates/artwork/rivers/riogrand.htm
Anonymous
missippi
Kira
Qhat border makes up much of mexico
kayleigh!!
i need help on this one question
witch is this
kayleigh!!
@mr.sue that helped ty