About 780 million. B. About 8,000. C. About 3,000 D. About 3 million.
A. People in India had no access to clean water. B. The water crisis had become a problem worldwide. C. India was faced with severe water shortage. D. She must do something to help the poor people.
A. Water purification. B. Solar power system. C. Harmful bacteria. D. Environmental changes.
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