Answer:
Unless the land it totally flat, rivers of water run downhill. ... If the source of a river is at a higher elevation than the mouth, that river will run from the source to the mouth. However, if that (higher) source is to the south of the mouth, that river will then flow to the north (downhill).
Answer:
it will option B , hope it helps
As my memory serves me well, innovations like the production of gunpowder, tea, and silk are usually attributed to D. China
