APES chapter 16 QUIZ

the material that makes up the highest proportion of MSW is

• plastic
• rubber, leather and textiles
• paper and paperboard
• food

Approximately how much MSW is recovered before it enters a landfill or incinerator?

• 15%
• 25%
• 35%
• 60%

The correct order of the three R's is

• Reduce, Recycle, Reuse
• Reduce, Reuse, Recycle
• Recycle, Reuse, Reduce
• Recycle, Reduce, Reuse

Which is NOT a form of source reduction?

• printing double-sided instead of single-sided
• purchasing digital versions of music instead of CD's
• replacing plastic mugs with disposable paper cups
• designing a smaller box for packaging

Tags

NGSS.MS-ESS3-3

Organic matter in landfills is a problem primarily because

• there is a high risk of toxic leaching
• it contains bacteria that spreads disease
• as it breaks down it can dissolve the containment
• it produces methane gas

For composting to work effectively, the compost

• must be kept very wet
• must be mixed
• must be anaerobic 
• must be protected from high temperatures

Which material, when placed in a landfill, is most likely to cause problems as a result of leaching?

• Plastic
• paper
• food matter
• aluminum

A 500 m² landfill experiences 150mm/yr and 60% of the rain is runoff. If the landfill has a 90% effective leachate collection system, how much leachate escapes each year?

• 3m³
• 5m³
• 16m³
• 27m³

Incineration of waste is primarily used

• to generate heat or electricity
• to reduce waste volume and mass
• to eliminate heavy metals
• when there is no other option

NIMBY describes

• the fact that materials cannot be easily incinerated
•  the costs associated with the use of incineration
• an attitude about placement of landfills
• attempts to develop better landfills