... everything can be reused: garden or kitchen trash becomes fertilizer; combustible garbage is burned to ( 48) ________ electricity; metal containers and bottles are recycled; and old furniture, clothing, ... mammal can be defined as a warm-blooded animal that feeds their babies with mother’s milk. A B C D 38. Camp David, the official retreat of U.S. presidents is located in an area where is there ample ... But finding (42)________ for new landfills is becoming more difficult. A city that has solved this problem in an unusual way is Machida, in Tokyo, Japan. They have developed a totally new (43)________...