a
Droppings from birds
b
loud disco sound
c
A pack of cigarettes
d
Refuse in an incinerator
Explanation
Correct Option
bNo explanation available
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Discussions (16)

g9ifted006
2 months ago
the options are common but recall that pollution is said to occur when the concentration of the introduced pollutant is higher than the safe limit

Visioneverbrokeagain
4 months ago
D is the answer..
incerators are where refuse are burned under temperature.

FGCPOR17576703
3 years ago
Droppings from birds can pollute land and water. They also have offensive odour. Loud sounds constitute noise pollution so what is this???


