Which example is a graphic representation of the amount of animal and vegetable material at each trophic level? a- energy production pyramid b- biomass pyramid c- consumer pyramid d- energy joule diagram

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.