APES Review

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.

Which of the following is a probable impact of increased use of inorganic (lab-made) fertilizers in a watershed?

• Hypoxia in the Gulf of Mexico

• Increase in storm severity in southeastern U.S.

• Water shortages in California

• Saltwater intrusion on the East Coast.

What is the health risks could be connected to eating some fish from lakes or the ocean?

• They may be invasive species that impact native fish species populations.

• The Omega-3 fatty acids found in some fish can have a negative impact on cardiovascular health.

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

• They may have been exposed to inorganic nutrients from fertilizers.

Which law sets standards limiting pollutants for community's water supplies?

• Clean Water Act (CWA)

• Safe Drinking Water Act (SDWA)

• National Environmental Policy Act (NEPA)

• Resource Conservation and Recovery Act (RCRA)

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

• Floating booms and boats to skim floating oil toward collectors

• Skimmers to absorb oil from the water

• Addition of limestone to neutralize the oil

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

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3

What is the main source of mercury in the Great Lakes?

• Natural sources

• Coal-burning power plants

• Sewage effluent

• Automobile emissions

Tags

NGSS.MS-ESS3-4

The pollution of waterways creating conditions in which productivity is decreased and gills of bottom dwelling organisms are clogged is due to

• erosion and sedimentation

• runoff and flooding

• herbicides and eutrophication

• mining and acid deposition

The step in the nitrogen cycle where plants take up nitrate and use it to make biological molecules is:

• nitrification
• ammonification
• nitrogen fixation
• assimilation

The step in the nitrogen cycle where bacteria convert ammonia (NH₃) to nitrate (NO₃^-) is:

• nitrification
• ammonification
• nitrogen fixation
• assimilation

The process where some bacteria remove nitrate from the soil by converting it to nitrogen gas is:

• nitrification
• nitrogen fixation
• denitrification
• nitrification