Which of the following scenarios serves as the best example of redundancy trading? A. Two tribes exchanging corn for corn. B. Two tribes exchanging buffalo hide for corn. C. Two tribes adopting certain tribe members into each other’s tribes. D. Two tribes giving gifts of corn in exchange for goods.

In the supply-and-demand schedule shown above, the equilibrium price for cell phones is $25 $100 $200

Which subsystem includes the air we breathe

Which factor most contributed to the united states' decision to enter world war i? a) germany attacking merchant ships that carried american civilians. b) the allied powers victory in the battle of the somme c) the ottoman empire beginning a campaign of genocide against the armenian people d) mexico launching attacks on u.s. territory with the of germany