Answer:
People filter their faucet water to purify it further and to filter out any sediment in the water. It's also to improve taste and remove contaminants and thereby reducing risk of drinking unhealthy tap water
People sieve flour when baking to break apart any clumps of flour from entering the mix. Clumps of flour make it harder the combine and often result in clumps of dry flour in the finished bake which are unpleasant.
Explanation:
