Question

1. garbage, trash, junk, and sewage are examples of ______ waste.

agricultural
recyclable
solid
hazardous

Explanation:

Garbage, trash, junk, and sewage are all types of non-hazardous, general waste that fall under the broad category of solid waste, as they include both solid and semi-solid discarded materials (sewage sludge is part of solid waste streams, and liquid sewage is often managed alongside solid waste in waste systems). The other options are too narrow: agricultural waste is farm-specific, recyclable waste is only a subset, and hazardous waste poses special health risks which these do not universally have.

Answer:

○ solid