At the birth of the united states, the plan which called for representation based on population was the
a. virginia plan
b. new jersey plan
c. bill of rights

its many islands, high mountains, and remote peninsulas isolated population centers.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

that would be the steamboat because none of the other things are forms of transportation