ENVIRONMENT

2. a very large marine mammal with a streamlined hairless body, a horizontal tail fin, and a blowhole on top of the head for breathing
4. the people who live in a house or flat when they are considered as a single unit
6. a situation in which there is not enough of something
8. finish, use, or sell all of something , so that there is none left
9. a substance that you spread on th grounf to make plants grow more successfully
11. you have finished eating
13. a phenomenon in which cetaceans go by themselves on the shore(beach)
15. moving regularly around a place to prevent trouble or crime

1. the food that remains at the end of a meal after
3. be good at graowing plant
5. an increase in the earth's atmospheric and oceanic temperatures widely predicted to occcur due to an increase in the greenhouse effect resulting especially from pollution
7. arrange by order, by classes or categories.Ex:waste, rubbish
10. a system of trash and garbage disposal in which the waste is buried between layers of earth to build up low-lying land
12. an oragnization set up to provide help and raise money for those in need
14. a device that controls the flow of liquid, especially water , from a pipe