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Page 1: ljhsteamarmy.weebly.comljhsteamarmy.weebly.com/uploads/1/2/2/8/12289262/textbook_pages_4-9.pdf · People protect themselves from the sun's damaging rays by applying sunblock. Exposure
Page 2: ljhsteamarmy.weebly.comljhsteamarmy.weebly.com/uploads/1/2/2/8/12289262/textbook_pages_4-9.pdf · People protect themselves from the sun's damaging rays by applying sunblock. Exposure
Page 3: ljhsteamarmy.weebly.comljhsteamarmy.weebly.com/uploads/1/2/2/8/12289262/textbook_pages_4-9.pdf · People protect themselves from the sun's damaging rays by applying sunblock. Exposure
Page 4: ljhsteamarmy.weebly.comljhsteamarmy.weebly.com/uploads/1/2/2/8/12289262/textbook_pages_4-9.pdf · People protect themselves from the sun's damaging rays by applying sunblock. Exposure
Page 5: ljhsteamarmy.weebly.comljhsteamarmy.weebly.com/uploads/1/2/2/8/12289262/textbook_pages_4-9.pdf · People protect themselves from the sun's damaging rays by applying sunblock. Exposure
Page 6: ljhsteamarmy.weebly.comljhsteamarmy.weebly.com/uploads/1/2/2/8/12289262/textbook_pages_4-9.pdf · People protect themselves from the sun's damaging rays by applying sunblock. Exposure