In developed regions less than . . . . . . . . are engaged in agriculture.

A. Profession B. Environment C. Progress D. Work culture

A. 20% B. 50% C. 60% D. Over 90%

A. Moral B. Monetary C. Income D. Political

A. a-3, b-2, c-1, d-4 B. a-1, b-4, c-3, d-2 C. a-4, b-3, c-2, d-1 D. a-2, b-1, c-4, d-3