Which is the best way to purify drinking water?

Boil water, if you do not have bottled water.

Explanation:

Boiling is sufficient to kill pathogenic bacteria, viruses and protozoa. If water is cloudy, let it settle and filter it through a clean cloth, paper-boiling water towel, or coffee filter. Bring water to a rolling boil for at least one minute.

happy to help!

Explanation:

1) Wafter can be boiled in the heating temp

2) Water can also be kept in a cold point , but not at the freezing point where the water become frozen

answer; i believe its (ovulation);