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Activity 4.4
1c, 2c, 3b, 4a, 5c
Activity 4.5
2a. If you recycle paper, you will protect the forest.
3b. When people eat something outside, they should put the garbage in the dust-
bin.
4c. IF you litter, you will make the planet dirty.
5b. If you want to protect the Earth, you should dispose trash properly.