The costs of producing each additional unit of a particular product is called what?

a. marginal costs
b. total costs
c. fixed costs
d. variable costs

Por que los conflictos en italia continuaron incluso despues de la unificación

Which best explains parallel forces?

Plz me on september 17, 1860to the union and confederate army’s fought the in maryland. it was one of the bloodiest battles in the civil war. a. battle of the seven pines. b. battle of antietam c. first battle of bull run. d. second battle of bull run.