Question 2 1 pts
the amount of water flowing through a watershed is controlled by the

groundwater
tributaries
water cycle

question 3 1 pts
a low-lying area of land that runs along a river is called a

floodplain
tributary
ridgeline

question 4 1 pts
which of the following is not a watershed in pennsylvania?

delaware basin
mississippi basin
ohio basin

question 5 1 pts
household water that can be used for some purposes, without purification, is called

potable water
gray water
clean water

question 6 1 pts
the term, "potable water," refers to

household waste water that can be reused for some purposes without purification (bath water, dish water)
water in easy-carry containers, such as plastic bottles
water that is safe to drink

question 7 1 pts
water is made safe to drink through the process of

waste water treatment
purification
filtering

question 8 1 pts
water that is contaminated with domestic and industrial wastes is referred to as

gray water
sewage
potable water

question 9 1 pts
which of the following countries has the highest level of water stress?

usa
canada
mexico

question 10 1 pts
which of the following uses of water is greatest in the usa?

household
energy production
agriculture

question 11 1 pts
households use more water for toilets than outdoor use.

true
false

question 12 1 pts
the greatest water usage by households is for outdoor purposes, such as gardening, washing cars and watering lawns.

true
false