Manioc is native to tropical south America, where it was grown, processed, and used by many different groups to make bread and porridge. it spread to the Caribbean and other tropical parts of American during pre-Colombian times and was encounter by the columbus on his first voyage to the new world.
I think its D im not sure hope this helped
Valley glaciers are formed when a glacier travels across and down a slope, carving the valley by the action of scouring.
Answer:1 pacific ranges 2 Great Basin 3 Rocky Mountains 4 Great Plains 5 coastal plains 6 Appalachian mountains
Explanation:
Sudan and the democratic republic of Congo
