Question

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1. Rano's teacher said that the amount of
pollutants was increasing a lot in
atmosphere. Rano was surprised and
asked the teacher what these pollutants
are? The teacher said -
(a) Dissolved impurities in the water
(b) Dissolved and suspended impurities in
water
(c) Suspended impurities in water
(d) None of the above
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Answer 1

Answer:

b.dissolved and suspended impurities