Boulders,building tresses,and lead ingots would not make good mediums of exchange because they lack key characteristic?

Question

Quizplus · Accepted Answer

Boulders, building tresses, and lead ingots are all very heavy and cumbersome, making them difficult to transport and exchange in large quantities. Portability is a key characteristic of a good medium of exchange - it should be easy to carry and transfer from one person to another.

Boulders,building Tresses,and Lead Ingots Would Not Make Good Mediums of Exchange