Which component is NOT typically found in e-waste?

• Cadmium

• Organic material

• Lead

• Mercury

What is the primary purpose of a clay liner in a landfill?

• To support waste decomposition

• To filter leachate

• To prevent pollutants from leaking

• To collect methane gas

Tags

NGSS.MS-ESS3-3

Which gas is harvested by the methane recovery system in landfills?

• Oxygen

• Hydrogen

• Methane

• Carbon dioxide

What is a major environmental concern with items that do not decompose easily in landfills?

• They release toxic gases quickly.

• They can explode under high pressure.

• They attract vermin and pests.

• They retain their volume, filling landfills.

Which item is considered hazardous and should NOT be placed in landfills?

• Cardboard

• Food waste

• Newspaper

• Motor oil

Which of the following is a social issue related to the placement of landfills?

• Placement in low-income or minority communities

• Decreased property values in affluent areas

• Increased traffic from waste collection vehicles

• High cost of landfill construction

Tags

NGSS.MS-ESS3-4

What is one of the main reasons for waste incineration?

• To generate water vapor

• To clean the waste

• To reduce waste volume

• To produce methane

What environmental issue is associated with illegal ocean dumping?

• Formation of floating garbage patches

• Rise in oceanic oxygen levels

• Increased algae growth

• Reduction in ocean salinity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following are environmental problems often associated with sanitary landfills?

• Generating vast quantities of carbon dioxide gas

• Contamination of groundwater with landfill leachate

• Release of disease organisms

• Production of methane from anaerobic decomposition

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Which of the following are air pollutants released by incineration of waste, correctly paired with their environmental problem?

• Carbon dioxide - acid rain

• Nitrogen oxides - Smog & acid rain

• Sulfur dioxide - acid rain

• Dioxins - Carcinogen