Where does the water in rivers come from? What causes rivers to flow? (Site 1)

Most of the rivers comes precipitation runoff from the surrounding landscape. When rains falls on the land ,it’s either seeps into the ground or becomes runoff

Hello userthe correct answer is b.)because marburg virus causes marburg virus disease in humans and nonhuman primates, a form of viral hemorrhagic fever hope this : )

It’s either a or b hope this