Chapter 18 Test

Indicator that human pathogens may be present in aquatic systems

• Fecal coliforms

• Nitrates

• MTBE

• Sediment

Increases when decomposition increases

• Biological Oxygen Demand

• pH

• Hardness

• Turbidity

Tags

NGSS.MS-LS2-3

Which of the following are biological processes in the treatment of sewage?

I. primary sewage treatment

II. secondary sewage treatment

III. tertiary sewage treatment

• I only

• III only

• I and II

• II and III

All of the following are point sources of pollution EXCEPT

• heated effluent from a coal power plant cooling system

• a steel factory emitting carbon dioxide

• rain washing pesticides from a field into a nearby lake

• automobile exhaust pipe emitting carbon monoxide

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Feedlots contribute which of the following to surface water?

I. sediment pollution

II. fecal coliforms

III. nitrates

• I only

• III only

• I and II

• I, II, and III

Acidification in ecosystems can arise from all of the following EXCEPT

• surface water flowing through abandoned coal mines

• urban runoff containing high levels of salts entering surface water systems

• nitrogen oxides from automobile exhaust forming nitric acid in the atmosphere

• sulfur dioxide from coal burning power plants forming sulfuric acid in the atmosphere

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Nitrate levels in water are addressed by which of the following legislative acts?

I. Safe Drinking Water Act

II. Clean Water Act

III. Superfund Act

• I only

• II only

• I and II

• I, II, and III

All of the following are used in the United States to dispose of sewage sludge EXCEPT

• ocean dumping

• incineration

• treatment to become soil conditioner

• land fill burial

Factories, sewage treatment plants, and oil wells are all __________ sources of water pollution.

• point

• primary

• nonpoint

• tertiary pollutant

The discharge from a nonpoint source of pollution is

• usually constant throughout the year

• generally easier to regulate than a point source

• usually less polluting than point sources

• highly seasonal in quantity