It has become dirtier over the years as most of the capital's sewage, farm pesticides from neighbouring states and industrial ______ from factory towns flow into the waterway despite laws aga
It has become dirtier over the years as most of the capital's sewage, farm pesticides from neighbouring states and industrial ______ from factory towns flow into the waterway despite laws against polluting.
A. effluent
B. garbage
C. rubbish
D. litter