Which of the following was an achievement of the harappan civilization, the earliest known group in the indus valley? a. refrigeration b. the elevator c. indoor drainage d. windmills

The city of bridgedale issued a new recruitment publication for its fire service. the publication lists all of the qualifications needed to become a firefighter. this recruitment pamphlet can be best categorized as a(n)

Who built the first turnpikes in the united states? a) the national government b) state governments c) private companies d) town councils

Population parameters are difficult to calculate due to