MCQOPTIONS
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| 1. |
From amongst the following, select the a biotic components (i) Air (ii) Water (iii) Heat (iv) Sunlight |
| A. | and (ii) only |
| B. | (ii) and (iii) only |
| C. | (iii) and (iv) only |
| D. | All of these |
| Answer» E. | |