Strategies used to clean up oil spills include all of the following EXCEPT:

Addition of limestone to neutralize the acidic water

Floating booms and boats to skim floating oil toward collectors

Skimmers to absorb oil from the water

Chemical dispersants that break up the oil and help it to sink.

All of the following can happen to an adjacent river as a result of riparian deforestation EXCEPT:

The water temperature will decrease.

Dissolved oxygen in the water will decrease.

Soil erosion will lead to increased turbidity.

More pollutants such as animal waste and nutrients in soil or fertilizers will runoff into the water.

Fecal coliform bacteria

is used as an indicator of water quality

is the cause of water boarn diseases

The issue of water ownership is complicated by

the irregularity of precipitation

How would cutting down trees affect water quality in a watershed?

Rivers and streams might become clogged with silt.

There would be no affect on water quality.

The watershed divide would change.

Select the correct order for the water treatment process.

Sedimentation - Filtration - Chlorination

Sedimentation - Chlorination - Filtration

Filtration - Chlorination - Sedimentation

Filtration - Sedimentation - Chlorination

The biochemical oxygen demand (BOD) is defined as:

the amount of oxygen required for biochemical decomposition processes

the amount of oxygen required by humans who use a water supply

the amount of oxygen needed by plants growing in a water source

the amount of oxygen given off by a specific water source

Which of the following is not usually associated with eutrophication?

increased heavy metal concentrations

reduced photosynthesis in the water column

The “dead zone” in the northern Gulf of Mexico consists of a large ocean area depleted in ___. This problem appears to be caused by ___.

oxygen; nitrogen from agricultural runoff

marine microorganisms; ozone depletion

All of the following are effective strategies for minimizing sediment pollution except:

maximize surface runoff from critical areas

trap eroded sediment at construction sites

expose a minimum amount of land

provide protection for exposed soil

The principle advantage of using wetlands for wastewater treatment is:

a natural ecosystem replaces industrial methods for advanced treatment

the resulting water exceeds all drinking water standards

it removes dioxin and other pollutants in the sediment of the wetland

the method eliminates the production of methane, which contributes to global warming

What is cultural eutrophication?

anthropogenic addition of nutrients to a body of water

large scale oil spills in environmentally sensitive areas

addition of fecal coliform bacteria to a body of water

active decomposition of dissolved oxygen

Water Treatment and Pollution

Authored by Charles Martinez

Other Sciences

10th Grade - University

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35 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mine site drainage can often cause this:

Cultural eutrophication

Acidic runoff

Land subsidence

Saltwater intrusion

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a non-point source of water pollution

Effluent from a sewage treatment plant

BP refiner in Indiana discharging ammonia in a river.

Runoff of pesticides from regional farms into the Illinois River.

Hot water discharges from a nuclear power plant.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Increased use of inorganic (lab-made) fertilizers on crops contributes to:

Hypoxia in the Gulf of Mexico

Increase in storm severity in southeastern U.S.

Water shortages in California

Saltwater intrusion on the East Coast.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the danger in eating some fish from lakes or ocean?

They may be invasive species.

If abundant, they may lead to a crash in other species.

If they are high on the food chain they may contain high levels of mercury or POP's like PCB's

They may contain too many nutrients from fertilizers.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All of the following are ways to disinfect wastewater EXCEPT:

Chloroform

Chlorine

UV rays

Ozone

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This law sets standards on pollutants for community water supplies.

Clean Water Act (CWA)

Safe Drinking Water Act (SDWA)

National Environmental Policy Act (NEPA)

Oil Pollution Act

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a persistent inorganic pollutant that can impair neurological functioning?

Lead

DDT

PCB's

Atrazine

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Water Treatment and Pollution

Mine site drainage can often cause this:

Which of the following is a non-point source of water pollution

Increased use of inorganic (lab-made) fertilizers on crops contributes to:

What is the danger in eating some fish from lakes or ocean?

All of the following are ways to disinfect wastewater EXCEPT:

This law sets standards on pollutants for community water supplies.

Which of the following is a persistent inorganic pollutant that can impair neurological functioning?

What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism as they continue to eat something that contains the pollutant

This law regulates the discharges of pollutants into all waters that have a significant connection with navigable waterways. Also, must have a permit to dump these pollutants. Also, requires certain steps in sewage treatment.

Strategies used to clean up oil spills include all of the following EXCEPT:

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