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| 1. |
Who won the 2017 Discovery Education 3M Young Scientist Challenge for inventing a quick, low-cost test to detect lead-contaminated water? |
| A. | Loushik Chakraborty |
| B. | Divya Sharma |
| C. | Gitanjali Rao |
| D. | Shiv Prakash Singh |
| Answer» D. Shiv Prakash Singh | |