Biology, asked by RagaviRagavendra, 9 months ago

Hello folks❤

The primary treatment of waste water involves the removal of?

(a) dissolved impurities
(b) stable particles
(c) toxic substances
(d) harmful bacteria

Answers

Answered by ArshadNadeem

1

Answer:

option "a" is correct ...

plzzz mark as brainliest

Answered by CHANDU6545

2

Answer:

Option A is right

Dissolved impurities

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