1.observe what happens to an apple after it has been sliced.
2.put one of these things on each slice:water, milk, lemon juice, soda
3.watch what happens to each.
4.do they all turn brown? Which one turn brown first? Which turns brown last?
2.put one of these things on each slice:water, milk, lemon juice, soda
3.watch what happens to each.
4.do they all turn brown? Which one turn brown first? Which turns brown last?
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Answer:
3.the one w/out turn brown and the other one dont change