What is the first stage of urban waste systems?
Disposal
Collection
Recycling
Burning
What increases waste in cities?
Low population
Less activity
No consumption
Population growth
What is used to transport waste?
Trucks
Airplanes
Boats only
Animals
What happens during processing?
Waste burned only
Materials recovered
Waste ignored
Waste stored
What is the final stage?
Transport
Sorting
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