Answer:
Winnowing
Explanation:
When you winnow grain, you separate the chaff from the edible grain. Flailing: Flailing is a process of threshing the grain with a wooden bar. Treading: Treading is a process of threshing the grain by stepping on it.
D.The rotation of the sun keeps the gas in a ball
Answer:
ENDORHEIC BASINS
Inland sea is an example of this
<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>