Corn (maize) was first domesticated in Northern Argentina A the Tibetan plateau B the Canadian prairie C Central Mexico D Central Australia

C. Central Mexico.

Explanation:

Corn was the staple food of the ancient cultures of Mesoamerica (today´s Mexico and Central America): the Mayas, the Aztecs and other peoples. It continues to be so until today.  It was and is used as the base or an ingredient  to prepare many dishes. For example, tortillas that accompany  a meal in Mexico and in Central America, are made of corn. And the famous tamales, wrapped in banana leave, are made of corn as one key element.

b.provides a written record of the transaction

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation: