Folding of the earth's crust can produce synclines and anticlines. sometimes, however, a large area of the earth's crust will go through a downwarping process that creates a(n) upside-down bowl dome basin mountain

A large area of the earth's crust will go through a downwarping process that creates a(n) basin. Downwarp is a broad depression of the earth's surface. Basins resemble synclines, but the beds dip uniformly in all directions toward the center of the structure. They are caused by downwarping.

ANSWER:

Sometimes, however, a large area of the 'earth’s crust' will go through a 'down warping process' that creates a basin.

EXPLANATION:

sorghum farming likely spread with the bantu migration. there is your answer i had to get it wrong to get this right so i hope ya'll enjoy!