Give one way in which a textile industry benefits from rabbitry. 21. State any one energy change that takes...

20. Give one way in which a textile industry benefits from rabbitry.
21. State any one energy change that takes place in a watch as it works.
22. Apart from being sources of food, state any one other use of roots to people.
23. Mention any one effect of pest damage on sweet potato plants in the garden.
24. State the term used to mean the activity above.
25. Mention the reason why the liquid marked W should be made warm before doing the activity shown above.