Answer:
1) arsenic is a harmful chemical obtained form the water of tube well water.
2) water is used for various purposes such as drinking, washing clothes , cooking food , etc
3) source of water get polluted by the following ways
by bathing animal in the source of water
by growing garbage in the source of water
4)any two water borne disease are
diarrhoea
cholera
5)the source of water are
tube well
river
pound
6)The demand of water is growing in nepal because population is growing day by day.
Explanation:
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