MCQOPTIONS
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| 1. |
According to a study by researchers from MIT, Coronavirus may be vulnerable to ultrasound vibrations between which of the following megahertz? |
| A. | 15 and 75 |
| B. | 25 and 100 |
| C. | 40 and 125 |
| D. | 55 and 150 |
| E. | 60 and 180 |
| Answer» C. 40 and 125 | |