The Significance of Water

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Questions and Answers

What percentage of water makes up the largest human body constituent?

  • 45 to 55%
  • Less than 20%
  • More than 60% (correct)
  • 20%

How many people globally lack even a basic drinking-water service?

  • 6.8 billion
  • 144 million
  • 2 billion
  • 785 million (correct)

What diseases can contaminated water transmit?

  • HIV, tuberculosis, malaria, dengue fever, and Zika virus
  • Diarrhoea, cholera, dysentery, typhoid, and polio (correct)
  • Hepatitis, pneumonia, meningitis, bronchitis, and asthma
  • Common cold, flu, measles, mumps, and rubella

What is the estimated percentage of people globally using a drinking water source contaminated with faeces?

<p>At least 2 billion (B)</p> Signup and view all the answers

How long can survival be sustained without air?

<p>A few minutes (D)</p> Signup and view all the answers

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