The river that forms the border between mexico and the us state of texas is the a. baja california b. amazon river c. rio grande d. colorado river

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

What causes heat transfer in fluids

Many feel that the u.s. should not give money to the world bank to aid people in other countries. true or false