Question

Defing the following
waste​

Answer 1

Answer:

which is not useful to us

Answer 2

Answer:

Waste is any substance which is discarded after primary use, or is worthless, defective and of no use. ... Examples include municipal solid waste (household trash/refuse), hazardous waste, wastewater (such as sewage, which contains bodily wastes (feces and urine) and surface runoff), radioactive waste, and others....