A) Sewage
B) DDT
C) Live stock waste
D) Market garbage
Correct Answer: B
Solution :
The materials and poison such as aluminium ions, murcurial salts and DDT that either do not degrade on degrade only extremely slowly in the natural environment are called non-biodegradable pollutants. Pollutants such as the domestic sewage can be rapidly decomposed by the natural processes or some artificial systems that enhance natures great capacity to decompose and recycle, are called biodegradable pollutants.
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