MCQOPTIONS
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| 1. |
Scientists have found that the natural indigo dye extracted from the leaves of a plant of the bean family is capable of protecting human eyes from which of the following radiations? |
| A. | Alpha radiation |
| B. | Beta radiation |
| C. | Radio waves |
| D. | Laser radiation |
| E. | Gamma rays |
| Answer» E. Gamma rays | |