Often crops are associated with regions other than the one in which they were developed. for example, the "irish" or "idaho" potato originated in the andean highlands. corn of the american "corn belt" originated in ) west africa. b) the fertile crescent. c) central america. d) southeast asia.

Corn of the American "Corn Belt" originated in Central America.

The Corn Belt is a region of the Midwestern United States that, since the 1850s, has dominated corn production in the United States. More generally, the concept of the "Corn Belt" connotes the area of the Midwest dominated by farming and agriculture

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.