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| 1. |
All the living organisms are basically made up of C,N,S,P,H and O. How they enter the living forms? |
| Answer» Most of these elements first enter plants and become components of organic material during the process of photosynthesis. Thus, they enter from air (`CO_(2)`) water `(H_(2)O)` and ions (N,S,P) from the soil. From plants the chemicals pass on to other organisms through the food chains. | |