• Changes in Matter
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  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Cutting of paper
    B
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Apple flesh changing color
    A
  • Write A if the situation states a change that needs oxygen and B if it does not need oxygen to change. Digestion of food
    A
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