Teacher Guide & Answers

A law is a rule of. nature. Section 2 (page 2) 1. Living things grow. 2. ... 9. color changes. 10. gain. 11. energy. 12. gas. 13. Answers will vary. 14. Answers will vary. ... They are very far apart and are free to move. until they collide with a barrier, such as the. walls of the container. (2/1) 12. Water molecules are excreted by our skin. ................
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