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friendly. (environment)
11. One ton of recycled paper saves
12. Contact an organization like Friends of the Earth for
eight trees. (approximate)
(inform)
13. The milkman often
the empty bottles of milk. (collection)
14. Tires can be recycled to make pipes or floor
15. My friend Tom has a great
(cover)
of coins. (collect)
? (environmental)
natural fertilizer is compost. (wonder)
16. Do you know how to protect the
17. The most
18. They talk about their plan
19. Farmers often use dung for
.(happy)
their fields. (fertilizer)
20. I'm
in collecting waste paper.(interest)