water
As more water is taken from an aquifer than is replaced, what happens to the aquifer? a. The rivers fully recharge the aquifer with fresh water supply. b. The water company decreases the amount of water each household is allotted. c. The pipes draw recycled water up to the surface where it is stored in wells. d. The water level of the aquifer drops as a result of a drawdown.
a
How much of the earth's water is fresh water? a. less than 3% is fresh water b. 97 % of the earth's water is fresh water c. fresh and salt water are equally balanced d. the exact amount is unknown by scientists
a
The most difficult problem with recycling water is that ________________ a. new pipes are needed to bring water to treatment plants. b. water evaporates very quickly in New Mexico. c. public opinion tends to resist recycling efforts. d. there is no known technology to reuse water.
a
What is the founding principle behind the creation of the San Juan-Chama Drinking Water Project? a. Water from the San Juan-Chama diversion will be purified and filtered for drinking water. b. Water will be used to water golf courses and recreational areas. c. Water will be diverted from the Rio Grande into other rivers. d. None of the above will occur with the San Juan-Chama Drinking Water Project.
a
In many cities, water from shallow wells is not used for drinking water because __________. a. shallow wells are easy to maintain b. water near the surface is more easily contaminated c. shallow wells destroy all seasonal crops d. shallow wells cause water to evaporate
b
Treated, recycled industrial water can be safely used _______________. a. for drinking water b. for cooking and bathing c. to water lawns, plant life, and golf courses d. for livestock and animals
c
Which of the following is not a significant source of water pollution? a. remains from military explosives c. chlorine-usage in water treatment b. runoff from farms d. discharge from gasoline tanks
c
In New Mexico, why do farmers depend on snowpack? a. The packed snow helps to keep farm fields from washing away. b. When the snowpack melts, it erodes unwanted mineral deposits and produces fertile soil. c. By allowing snowpack to accumulate in and around the barns, it is kept frozen until summer. d. When the snowpack melts, waters flow downstream and are used by farmers to irrigate.
d
River basins help increase New Mexico's water supply for all the following reasons except _________. a. River basins allow water to reach underground aquifers. b. The water collected in river basins comes equally from both drawdowns and wells. c. Water run-off from snowpack fill New Mexico's rivers with water in the spring. d. River basins allow water to be transported to Mexico.
d
What can New Mexican residents do to reduce water use? a. Replace grasslands with native desert plants. b. Fix all water leaks found in and around one's property. c. Take shorter showers and turn off the water while brushing one's teeth. d. All of the above will reduce the amount of water needed.
d
