Refer to the above table (all figures in millions). Which country experienced the greatest economic growth from 2014 to 2015?

Voluntarism as an approach to environmental problems

a. has no place at all in solving the problems. b. is quite successful in reducing pollution. c. is more effective than first meets the eye. d. often has proved weak and unreliable.

National income is the sum of

a. wages and profits. b. wages, interest, profits, and rent. c. interest and rent. d. wages, transfer payments, and tax revenues.