INTRO CH8

Question 1

What are combined sewers?

Answer 1

type of underground piping network that carries both sewage and stormwater to a treatment plant.

Question 2

Why did the Romans use elevated aqueducts instead
of pipes to convey their water?

Answer 2

The aqueducts supplying Rome conveyed a tremendous amount of water,
estimated at about 50 million gallons per day at their peak, which corresponds
to approximately 50 gallons per pers

Question 3

What is the “germ theory” and how is it important
to the history of water treatment?

Answer 3

cause of cholera was microbiological
in nature. Lead to better water treatment

Question 4

What new technologies were important in the history
of bridges?

Answer 4

iron =iron suspended bridge
steel truss arches
concrete

Question 5

How did the federal government help finance the
construction of the transcontinental railroad?