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1. |
In 2010, about __________ of the global population had access to piped water supply through house connections or to an improved water source through other means than house, including standpipes, water kiosks, spring supplies and protected wells. |
A. | 90% |
B. | 55% |
C. | 87% |
D. | 65% |
Answer» D. 65% | |