MCQOPTIONS
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| 1. |
To trace the path of phosphorus, the isotope of phosphorus which is added to the fertilizers, is |
| A. | Phosphorus-31 |
| B. | Phosphorus-32 |
| C. | Phosphorus-33 |
| D. | Phosphorus-34 |
| Answer» C. Phosphorus-33 | |