Identify the component of solar equipment shown in the diagram. 10. State the role played by the component...

9. Identify the component of solar equipment shown in the diagram.
10. State the role played by the component above in the production of solar electricity.
11. Give one reason why animal houses should be cleaned regularly.
12. Mention one way in which animals are used as energy sources.
13. Give one reason why sanitary facilities for boys and girls at school should be separated.
14. State one advantage of using flowing water when washing hands.
15. Mention the characteristic of stale air that enables it to pass out of a house through ventilators.
16. Give one importance of guidance and counseling to adolescents.
17. Mention one way in which insulators of electricity are useful to electricians.