Which one is the good answer

The map above shows the countries of the middle east. the country that is highlighted is a. iran b. israel c. saudi arabia d. turkey select the best answer from the choices provided a b c d

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.