If you are referring to human, animal and vegetable wastes, then yes, they can be decomposed and they do this without any help from humans, due to the action of bacteria, fungi, and insects that naturally occur with these waste materials.
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∙ 14y agoYes, they can be decomposed.
able to be decomposed.
They discovered the body and it was badly decomposed.
Sugar is easily decomposed by heating.
It is something in a decomposed state
cuz it is
Sewage is a waste product carried by sewers.Sewers are the pipes used to carry sewage. Sewerage is the provision of the facility to remove sewage. Sewerage is the utility.
sewage stinks
treated and untreated sewage
non- biodegradeable pollutants - which do not degrade by microbes or degrade very slowly. [eg. plastics, glass, heavy metal compounds, pesticides, etc] biodegradeable polutants - which can be decomposed by micro-organisms [their accumulation which may not degrade completey, causes pollution eg. sewage]
Sewage treatment plants use microorganisms to destroy the biological material in sewage.
Sewage is carried out of city's with sewage pipes that leads to rivers, oceans and seas. The problem with that method, is sewage pollution, which could have malicious effects on the environment.