Wastes are generally classified into organic based or inorganic based.Additional classification is solid, and liquid wastes.
Feaces is an organic solid waste but when in a water system disposal unit it becomes sludge or liquid organic waste.Radiaion from spent plutonium rods are examples of solid inorganic waste.Improper disposla menas causing harm to the enironment by not applying good health protection measure when disposing of wastes.
Bio accumulation