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13 April, 10:46

Which of these elements are the least dense?

1. Oxygen and Silico

2. Iron and Magnesium

3. Iron and Nickel

4. Magnesium and Silicon

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Answers (2)
  1. 13 April, 11:05
    0
    The first one because just think about how light oxygen or air is
  2. 13 April, 11:13
    0
    The answer is oxygen and silicone
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