Question
Differentiate between compost and vermicompost?
| Compost | Vermicompost |
| It is prepared from all type of organic waste like sewage, animal refuse, farm waste, etc, and take 3-6 month to prepare. | It is prepared from domestic waste, vegetable waste and takes 1-2 months to prepare. |
| Organic remains are decomposed by microbes. | Organic remains are pulverised by earthworms. |
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What are the functions of xylem?
| Element | A | B | C | D | E | F |
| Atomic number | 1 | 3 | 8 | 18 | 20 | 1 |
| Mass number | 2 | 7 | 16 | 40 | 40 | 4 |
A body is moving along a circular path of radius R. What will be the distance travelled and displacement of the body when it completes half a revolution?