“The pathogens in river flows are killed and helps in self-purification”. It is due to

Questions › Category: Civil Engineering › “The pathogens in river flows are killed and helps in self-purification”. It is due to
VideRime Staff asked 6 years ago

“The pathogens in river flows are killed and helps in self-purification”. It is due to

a) sunlight

b) oxidation

b) reduction

c) sedimentation

Environmental Engineering Part 2