Question

1 what is a disease caused by contamination water
2 what is condition of low oxygen of low oxygen in water body
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Answer 1

Answer:

1st answer

Contaminated water and poor sanitation are linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid, and polio.

2nd answer

Hypoxia means low oxygen and is primarily a problem for estuaries and coastal waters. Hypoxic waters have dissolved oxygen concentrations of less than 2-3 mg/L.

Explanation:

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