Question

What are some biological impurities in rainwater ?
Why are those impurities harmful?
What causes them?
How to purify water with biological impurities ?

Answer 1

Answer:

. BIOLOGICAL IMPURITIES IN WATER: • Biological contamination of water is caused by the presence of living organisms like algae, bacteria, protozoa, pathogens, microbes, Viruses, Parasites and their eggs (cysts), etc. known collectively known as microorganisms and commonly called 'germs'.Aug 19, 

Explanation:

Biological Impurities are defined as impurities resulting from living matter (bacteria, virus, algae, protozoa, microfungi) and their by-products, including pyrogens (endotoxins).