Reading Essentials Grade 5 Answer Key - Macmillan/McGraw …

15. – 16. Answers may vary but should include two of these examples: add fertilizer to replace nutrients; plant across a hill, not up and down; plant on terraces; plant grass between rows of crops; plant tall trees around a farm; pass laws about pollution; help clean up polluted land; spread the word about conserving soil. (p. 173) ................
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