ENVIRONMENT

4. install,put a piece of equipment somewhere and make it ready for use
5. a valve or spout used to regulate delivery of a fluid at the end of a pipe
6. the people who live in a house or flat when they are considered as a single unit
9. a state or situation in which something needed cannot be obtained in sufficient amounts
10. moving regularly around a place to prevent trouble or crime
12. arrange by order, by classesor categories.ex: waste, rubbish

1. food remaining at the end of a meal, especially when saved for later use
2. be good at growing plants
3. be used up,to finish, use, or sell all of something, so that there is none left
7. money that the government or another organization gives to reduce the cost of something
8. to fill a space to capacity and spread beyond its limits
11. trash, wastepaper, or garbage lying scattered about