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Question
The partially decomposed organic matter is formed by a process called ______.
Options
fragmentation
humification
mineralisation
leaching
Solution
The partially decomposed organic matter is formed by a process called humification.
Explanation:
Humus is formed by the process of humification which is partially decomposed organic matter.
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_A _N_V_R_S
Match the following Column I with Column II.
| Column I | Column II |
| A. Mesozoic | (i) First land vertebrates |
| B. Devonian | (ii) Proliferation of reptiles |
| C. Palaeocene | (iii) Raise of modern mammals |
| D. Permian | (iv) Radiation of primitive mammals |
| (v) 166 million years |
