In the United States, most citizens have access to clean water and sanitation services and often take these services for granted. Worldwide, however, clean water and sanitation are not standard
How many people worldwide in 2010 lacked access to improved water sources?
A) 7 million
B) 78 million
C) 783 million
D) 7.8 billion
Ans: C
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According to the WHO, in 2010, 783 million people lacked access to improved water sources.
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