MCQOPTIONS
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| 1. |
The plants need nitrogen to produce protein. They get the nitrogen in the form of |
| A. | Nitrogen gas from the atmosphere |
| B. | Nitrate salts from soil in the soluble form |
| C. | Ammonia |
| D. | Humus |
| E. | All above options are correct |
| Answer» C. Ammonia | |