APES Chapter 14 QUIZ

What is a point source of pollution?

• farm runoff
• a sewage treatment plant
• storm runoff
• a suburban community

Eutrophication

• is the result o excess carbon
• causes low BOD
• can cause dead zones
• is rarely caused by human activities

Fecal coliform bacteria

• is used as an indicator of water quality
• is the cause of many waterborne diseases
• is another name for Cryptosporidium
• usually causes diarrhea

leach fields are 

• used to remove sludge
• part of tertiary water treatment
• a result of sewage dumping
• often used with manure lagoons

a manure lagoon is being built for a dairy with 700 cows, each of which produces 40L of manure each day. How large must the lagoon be to hold 30 days worth of manure?

• 21.000L
• 120,000L
• 560,000L
• 840,000L

Arsenic is

• found naturally in groundwater
• often discovered due to its rapid health effects
• inexpensive to remove from drinking water
• found in rainwater

What caused the eggshells of some birds to become thin and break?

• heavy metal concentrations in prey species
• an inert ingredient in herbicides
• a pharmaceutical in the water supply
• an insecticide ingested by prey species

Mercury

• is harmless once converted into methylmercury
• exposure often occurs through shellfish
• is most concentrated in herbivores
• damages the immune system

Which hazardous material is known to cause cancer?

• PCBs
• Lead
• DDT
• Mercury

Which is NOT true of acid deposition?

• it is primarily due to the burning of coal
• it is treated using limestone
• it can occur as a result of mining
• it causes increased solubility of many ions