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Questions and Answers
What percentage of water makes up the largest human body constituent?
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?
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?
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?
What is the estimated percentage of people globally using a drinking water source contaminated with faeces?
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How long can survival be sustained without air?
How long can survival be sustained without air?
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