Question

A major need post Nepal earthquake was the water cleaning tablets. How do they function ? List one more method of water cleaning.
please answer fast
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and  answer it correcty pls pls
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Answer 1

Recently there was an earth quake in Nepal.many people died and got injured an their homes were destroyed

Answer 2

QUESTION:-

A major need post Nepal earthquake was the water cleaning tablets. How do they function ? List one more method of water cleaning.

ANSWER:-

Answer in the photo.

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