Question

plz help if u know ​

Answer 1

Answer:

BOILING AND PASTEURIZATION. Boiling water kills or inactivates viruses, bacteria, protozoa and other pathogens by using heat to damage structural components and disrupt essential life processes (e.g. denature proteins). Boiling is not sterilization and is more accurately characterized as pasteurization.

Hope u got it....

Answer 2

Answer:

Currently, filtration is the most effective process for removing these protozoa from drinking water. To fully protect the public, however, effective disinfection methods must be developed. If chlorine kills so many species of microorganisms, why doesn't it harm humans?

Filtration