APES Unit 8 Review

Where would you expect to find the greatest concentration of leachate?

• at the bottom of the landfill

• at the top of the landfill

• throughout the landfill

• leachate is not created in a landfill

Bacteria in landfills perform anaerobic respiration as they decompose materials very slowly. This process creates

• methane

• leachate

• CO2

• oxygen

Tags

NGSS.HS-LS2-3

In a landfill, MSW is covered with soil every day to reduce the impact of

• rats, seagulls and smells

• methane, leachate and litter

• leachate, rats and groundwater pollution

• surface water pollution and air pollution

Tags

NGSS.HS-ESS3-4

Which soil is best to have under a landfill?

• sand

• silt

• clay

• loam

A sanitary landfill is lined with clay.

• True
• False

Tags

NGSS.MS-ETS1-3

What is leachate?

• Water that collects contaminates as it moves downward.
• Type of organism that helps to break down compost in a landfill.
• The bottom layer of covering in a landfill.
•  None of the above is correct.

Tags

NGSS.MS-LS2-4

Which organism in the food web would

contain the highest concentration of chemical pollutants?

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

Which organism in the food web shown to the right would

contain the lowest concentration of chemical pollutants?

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

Which organism shown in the food chain above would contain the greatest concentration of chemical pollutants?

• phytoplankton

• krill

• tuna

• shark

Tags

NGSS.MS-ESS3-4

Concentration of toxins in an organism as a result of ingesting other plants/animals in which the toxins are widely distributed

• bioaccumulation

• point-source pollution

• artificial eutrofication

• consumable pollution

Tags

NGSS.MS-LS2-3