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Linhlinh Linhlinh
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6 years ago
According to the WHO, it is estimated that a large number of people worldwide do not have access to safe drinking water. In a lecture on water quality, a PHN learns that the main barriers to the provision of clean drinking water include all of the followi
 
  A. Financial capacity
  B. Too many facilities for the sanitary disposal of excrement
  C. Sustainability of the water supply
  D. Sanitation and hygiene behaviors
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hennihanadihennihanadi
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6 years ago
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Linhlinh Author
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6 years ago
Thank you, thank you, thank you!
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Yesterday
You make an excellent tutor!
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2 hours ago
Brilliant
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