PDF chapter test TRY NOW
Fill in the blanks with the correct option given below in the table:
(Note: Only on letter in each box)
| Decomposition | Oxalic acid | Microorganisms | Potassium |
| Soil | Wearing | Air | Widening |
| Deforestation | Physical | Contraction | 45 |
| 25 | Humus | Biologically active | Humus |
1. Sodium, nitrogen, and ______ are some of the common minerals found in soil.
2. Roots of plants and trees that grow on the rocks lead to the ______ of cracks in rocks
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