Question 1

According to the World Health Organization and other scientists, the 10 ppb standard level for arsenic levels in drinking water is safe and perhaps even too cautious.

Accepted Answer

A) True 
 B)False

Question 2

____________________, which produce as much waste as a small city, often dump these wastes at sea, even though it is illegal in U.S.waters.

Accepted Answer

cruise shi

Question 3

On a larger scale, waterless, odorless composting toilet systems have all of the following advantages, except

Accepted Answer

A) converts human fecal material to soil-like fertilizer supplement 
B) removes toxic and hazardous chemicals 
C) saves large amounts of water 
D) decreases energy used to pump and purify water 
E) cheaper to install and maintain 
A) converts human fecal material to soil-like fertilizer supplement 
B) removes toxic and hazardous chemicals 
C) saves large amounts of water 
D) decreases energy used to pump and purify water 
E) cheaper to install and maintain

Question 4

All of the following are cleanup methods of controlling cultural eutrophication, except

Accepted Answer

A) using advanced waste treatment 
B) treating plant growth with herbicides 
C) harvesting excess weeds 
D) pumping air through reservoirs to avoid oxygen depletion 
E) removing algae using algaecides 
A) using advanced waste treatment 
B) treating plant growth with herbicides 
C) harvesting excess weeds 
D) pumping air through reservoirs to avoid oxygen depletion 
E) removing algae using algaecides

Question 5

Which of the following is a point source of water pollution?

Accepted Answer

A) offshore oil wells 
B) livestock feedlots 
C) urban lands 
D) croplands 
E) parking lots 
A) offshore oil wells 
B) livestock feedlots 
C) urban lands 
D) croplands 
E) parking lots

Question 6

Oxygen depleted zones form around the world, occurring mostly in ____________________ waters and in landlocked seas.

Accepted Answer

The answer of Oxygen depleted zones form around the world,...

Question 7

When researchers studying Lake Washington got no action from treatment plant managers, they did which of the following?

Accepted Answer

A) went on to something new 
B) went to the Washington State legislature for help 
C) went to the EPA for help 
D) educated the public 
E) wrote more scientific articles 
A) went on to something new 
B) went to the Washington State legislature for help 
C) went to the EPA for help 
D) educated the public 
E) wrote more scientific articles

Question 8

Farmers can reduce agricultural runoff by all of the following, except

Accepted Answer

A) using slow-release fertilizers 
B) keeping cropland covered with vegetation 
C) planting buffer zones between cultivated lands and water 
D) using no fertilizer on steeply sloped land 
E) switching from row crops to animal feedlots 
A) using slow-release fertilizers 
B) keeping cropland covered with vegetation 
C) planting buffer zones between cultivated lands and water 
D) using no fertilizer on steeply sloped land 
E) switching from row crops to animal feedlots

Question 9

Oil leaks into the world's oceans from industry and cities have dropped by almost 90%.

Accepted Answer

A) True 
 B)False

Question 10

_______________ is any change in water quality that can harm living organisms or make the water unfit for human uses.

Accepted Answer

The answer of _______________ is any change in water quality...

Question 11

The oil company responsible for the oil spill of the Valdez was

Accepted Answer

A) Alaska 
B) Gulf 
C) Exxon 
D) Sunoco 
E) Texaco 
A) Alaska 
B) Gulf 
C) Exxon 
D) Sunoco 
E) Texaco

Question 12

A recent report indicates 80─90% of the municipal sewage from most coastal developing countries, and some developed countries, is dumped untreated into the oceans.

Accepted Answer

A) True 
 B)False

Question 13

The majority of the oil pollution of the ocean comes from

Accepted Answer

A) blowouts (rupture of a borehole of an oil rig in the ocean) 
B) tanker accidents 
C) environmental terrorism 
D) runoff from land 
E) normal operation of offshore wells 
A) blowouts (rupture of a borehole of an oil rig in the ocean) 
B) tanker accidents 
C) environmental terrorism 
D) runoff from land 
E) normal operation of offshore wells

Question 14

Use the Figure above to answer the following question(s).
-Choose the letter that represents where sludge is dried before being disposed of.

Accepted Answer

The answer of   
 
Use the Figure above...

Question 15

Because of improved efforts at pollution prevention, the U.S.EPA lists only a handful of large lakes near major cities as having some degree of cultural eutrophication.

Accepted Answer

A) True 
 B)False

Question 16

____ of the world's population lives on or near the coast.

Accepted Answer

A) 20% 
B) 30% 
C) 40% 
D) 50% 
E) 60% 
A) 20% 
B) 30% 
C) 40% 
D) 50% 
E) 60%

Question 17

What percentage of expensive bottled water is actually bottled tap water?

Accepted Answer

A) 5% 
B) 10% 
C) 20% 
D) 30% 
E) 40% 
A) 5% 
B) 10% 
C) 20% 
D) 30% 
E) 40%

Question 18

The Clean Water Act of 1974 requires the EPA to establish national drinking water standards, called ____________________, for any harmful pollutants.

Accepted Answer

maximum co

Question 19

WHO estimates that 3.2 million people─most of them children─die every year from inadequate clean water or from infectious diseases they get from contaminated drinking water.

Accepted Answer

A) True 
 B)False

Question 20

The Mississippi river was photographed in 1969 burning while flowing through a city.

Accepted Answer

A) True 
 B)False

Exam 20: Water Pollution

According to the World Health Organization and other scientists, the 10 ppb standard level for arsenic levels in drinking water is safe and perhaps even too cautious.

____________________, which produce as much waste as a small city, often dump these wastes at sea, even though it is illegal in U.S.waters.

On a larger scale, waterless, odorless composting toilet systems have all of the following advantages, except

All of the following are cleanup methods of controlling cultural eutrophication, except

Which of the following is a point source of water pollution?

Oxygen depleted zones form around the world, occurring mostly in ____________________ waters and in landlocked seas.

When researchers studying Lake Washington got no action from treatment plant managers, they did which of the following?

Farmers can reduce agricultural runoff by all of the following, except

Oil leaks into the world's oceans from industry and cities have dropped by almost 90%.

_______________ is any change in water quality that can harm living organisms or make the water unfit for human uses.

The oil company responsible for the oil spill of the Valdez was

A recent report indicates 80─90% of the municipal sewage from most coastal developing countries, and some developed countries, is dumped untreated into the oceans.

The majority of the oil pollution of the ocean comes from

Use the Figure above to answer the following question(s). -Choose the letter that represents where sludge is dried before being disposed of.

Because of improved efforts at pollution prevention, the U.S.EPA lists only a handful of large lakes near major cities as having some degree of cultural eutrophication.

____ of the world's population lives on or near the coast.

What percentage of expensive bottled water is actually bottled tap water?

The Clean Water Act of 1974 requires the EPA to establish national drinking water standards, called ____________________, for any harmful pollutants.

WHO estimates that 3.2 million people─most of them children─die every year from inadequate clean water or from infectious diseases they get from contaminated drinking water.

The Mississippi river was photographed in 1969 burning while flowing through a city.

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