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Envs 1350 Final USU18
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Envs 1350 Final USU18
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Envs 1350 Final USU18Study online at https://quizlet.com/_ff17bd
1. What do energy experts at the National Renewable Adopt new lighting
Energy Laboratory say would be the quickest, easi- technologies while
est, cheapest way to reduce power demand? phasing out stan-
dard incandescent
bulbs
2. What represents a non point source of water pollu- Fallout of airborne
tion? polllutants
3. Which of the following statements regarding bottled Bottled water is
drinking water is false? safer and healthi-
er than are public
water supplies
4. What's the purpose of chlorinating sewage effluent to kill dis-
and drinking water? ease-causing or-
ganisms
5. What's the predominant method of sewage sludge Application to
disposal in the U.S. today? farm, garden, or
pasture lands
6. What do most researchers see as the solution to Sharply reduc-
eliminating the "dead zone" in the Gulf of Mexico? ing fertilizer runoff
from agricultural
lands in the upper
midwest
7. What contaminant in drinking water is regulated be- Nitrates
cause of its potential for causing "blue baby dis-
ease"?
8. Waste water pre-treatment programs are mandated Industries dis-
for? charging efflu-
ent into municipal
sewer systems
9. The aim of sewage treatment is to: improve the qual-
ity of effluent to
the point that it
, Envs 1350 Final USU18
Study online at https://quizlet.com/_ff17bd
can be returned to
a waterway with-
out causing eu-
trophication or en-
dangering public
health
10. Screening and sedimentation to remove the larger primary treatment
suspended solids in sewage represents what level of
sewage treatment?
11. Reports reveal that millions of Americans are ex- Leaching of lead
posed to lead in their drinking water. What is the from lead pipes or
source of this toxic contaminant? solder in the home
plumbing system
12. Of the various changes occurring in a lake as it under depletion of dis-
goes euthropihication, which is most directly respon- solved oxygen
sible for the loss of high-quality fish?
13. If a particular water sample is measured as having a water is polluted
high BOD, what does this indicate? with organic mate-
rial which will use
up the dissolved
oxygen in the wa-
ter as it decom-
poses
14. Euthrophication of a water way can be initiated when Phosphates
which of the following enters a lake or stream?
15. Why is the Ogallala Aquifer the focus of much con- This extensive for-
cern? mation of "fos-
sil water" is be-
ing rapidly deplet-
ed by heavy with-
drawals by farm-
ers and at one
time was expect-
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