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- 1. Multiple Choice
Saltwater intrusion can occur in aquifers near coastlines, when fresh groundwater in the aquifer is displaced by salt water. Coastline aquifers become more vulnerable to saltwater intrusion when freshwater recharge rates are low or withdrawal rates are high. An aquifer in which of the following areas would be MOST affected by saltwater intrusion?
a small coastal town experiencing a rainy summer
a coastal agricultural area using periodic irrigation
a large inland region of growing cities and farms
a growing coastal city undergoing a drought
- 2. Multiple Choice
Which best explains why population growth can result in water shortages and rationing in certain areas?
Lake water is reserved for recreation.
Increasing biomass decreases evaporation rates.
Tall buildings impede the development of rain clouds.
Aquifers recharge slowly.
- 3. Multiple Choice
A student created a diagram of farmland with runoff from cornfields to a nearby pond. What was the student probably trying to model?
how acid rain kills pond plants
how pond water is use to irrigate crops
how fertilizers can get into ponds and cause algae blooms
how toxic chemicals from industrial wastes can poison pond water
- 4. Multiple Choice
A regional water board is examining proposals to provide drinking water to a growing metropolitan area. Which of these proposals is most likely to deplete groundwater supplies?
installation of city-owned wells within each neighborhood
construction of a dam to create a large water reservoir
placement of stations along a river to capture and filter water
establishment of a water treatment plant next to a large lake
- 5. Multiple Choice
Which of the following is most responsible for reducing the availability of fresh water in this country?
aquifer depletion
reservoir evaporation
non-point source pollution
boat and watercraft emissions
- 6. Multiple Choice
The REUWS study examined residential water use in North America in 1999. This study measured gallons of water used per household per day (gphd) in twelve cities. Researchers repeated the study in certain cities in 2012. The graph compares the results of the first study to results from households in Tacoma, Washington, more than a decade later. Under this assumption, which of the following manufacturers could claim to have achieved the greatest success in the development and marketing of water conservation technology?
toilet manufacturers
clothes washer manufacturers
shower head manufacturers
dishwasher manufacturers
- 7. Multiple Choice
The table compares a family’s annual water use to an average household and a water-wise household.
The family compares their information to the other information in the table. Which of these changes would help them become a more water-wise household?
install different faucets
get a new clothes washer
replace their toilet
take baths instead of showers
- 8. Multiple Choice
What does water quality tell us?
tells us if the water went through the cleaning process
tells us how healthy water is
tells us how water should be cleaned
tells us where the water came from
- 9. Multiple ChoiceHow could pesticides get into lakes and streams?too much could be usedit could be sprayed too close to a streamrain could wash pesticides into a streamall of the above
- 10. Multiple Choicean area of land that is drained by a specified river or other body of waterMarshEstuaryWatershedTidal Pool
- 11. Multiple ChoiceThe presence of pollution intolerant macroinvertebrates like stonefly and caddisfly indicatesgood quality waterpoor quality water
- 12. Multiple ChoiceIf all other indicators are good, but there is giardia or fecal cloiform bacteria like e. coli in the water,the water isn't high enough quality to drinkthe water is high enough quality to drink
- 13. Multiple Choice
A lower number on the pH scale is
Acidic
Neutral
Basic
Alkalinity
- 14. Multiple Choice
With dissolved oxygen, too low of levels mean
the water quality
life can't exist
the water is really, really cold
the water has a higher pH
- 15. Multiple Choice
The amount of dissolved oxygen can be increased by (select all that apply)
plants
waves
splashing
waterfalls
fish
- Answer choicesTagsAnswer choicesTags