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.

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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

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain