How did load shedding affect south africa socially

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.

Under which condition below would u expect a coarse-grained intrusive rock like diorite to form?

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation