AP Environmental Science Aquatic Pollution

Primary treatment process in a sewage plant removes which of the following?

• pathogens

• solids

• gases

• toxins

In a river ecosystem, dissolved oxygen concentrations drop quickly downstream from a point-source input of organic matter into the river due to

• increasing populations of mayfly and stonefly larvae

• increasing bacterial activity as organic matter decays

• decreasing bacterial activity as turbidity increases

• decreasing water temperature

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Mandates the restoration and maintenance of the chemical, physical, and biological integrity of the nation's waters

• Safe Drinking Water Act

• Clean Water Act

• Clean Air Act

• Resource Conservation Recovery Act

Which method introduces microorganisms to break down hazardous organic compounds?

• Sanitary landfill

• Incineration

• Discharge to sewers, streams, and rivers

• Chemical treatment

• Biological treatment

Tags

NGSS.HS-LS2-7

Which method would be best suited for neutralizing the acidic components of waste?

• Sanitary landfill

• Incineration

• Discharge to sewers, streams, and rivers

• Chemical treatment

• Biological treatment

Tags

NGSS.MS-ESS3-3

Joann Burkholder studied

• Pfiesteria

• Thermal pollution

• Benzene

• Phosphates

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Pfiesteria is...

• fecal waste found in water

• a harmless bacteria

• a microscopic organism whose diatom gets aggressive and turns into a horrible organism when exposed to nitrates/phosphates from CAFOs

• found in fertilizers in agricultural runoff

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

How does mercury get into water systems

• coal burning

• volcanoes

• fecal matter

what are three main heavy metal water pollutants

• mercury

• lead

• iron

• arsenic

What is the number one water pollutant in NC

• arsenic

• benzene

• mercury

• sediment

Tags

NGSS.HS-ESS2-5