Ocean Pollution

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.

Tags

NGSS.MS-LS2-4

Mine site drainage can often cause this:

• Cultural eutrophication
• Acidic runoff
• Land subsidence
• Saltwater intrusion

Tags

NGSS.HS-ESS2-5

NGSS.HS-ESS3-4

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.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

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.

Tags

NGSS.HS-LS2-7

All of the following are ways to disinfect wastewater EXCEPT:

• Chloroform
• Chlorine
• UV rays
• Ozone

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

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

• Lead 
• DDT
• PCB's
• Atrazine

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

• Subsidence
• Biomagnification
• Tragedy of the commons
• Bioaccumulation

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

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

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

• Leaky landfills
• Coal-burning power plants
• Sewage effluent
• Automobile emissions