Question

what are waste substance's ?​

Answer 1

Answer:

Waste are unwanted or unusable materials. Waste is any substance which is discarded after primary use, or is worthless, defective and of no use. A by-product by contrast is a joint product of relatively minor economic value.

Answer 2

Answer:

Waste (or wastes) are unwanted or unusable materials. 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.

HOPE THIS HELPS U

PLZ MARK AS BRAINLYEST