The Aztecs were an ancient _______________ that occupied much of modern-day Mexico.

• civilization

• sanitation

• aqueducts

• population

Bad ___________ was the reason for the spread of the Black Plague in the 1300s. The streets were dirty and filled with disease.

• civilization

• sanitation

• aqueducts

• sophisticated

Tourists can visit ancient ______________ in Spain that were used to transport water.

• civilization

• impurities

• aqueducts

• sophisticated

The ____________ of the Roman Empire was about 63 million people.

• population

• impurities

• aqueducts

• sophisticated

This modern building is very ___________ compared to other simple traditional buildings.

• population

• impurities

• aqueducts

• sophisticated

It is important to remove the ____________ from water so that it is safe to drink.

• population

• impurities

• aqueducts

• sophisticated

According to the text, How many aqueduct systems did Rome have?

• 11

• 200

• 3,000

• 2

True or False: The water from aqueducts was only used for drinking in ancient Rome.

• 
• 

True or False: Roman piping system s covered very long distances to bring water to Rome.

• 
• 

True or False: Romans only charged poorer citizens for their water.

• 
•