Physics, 13.09.2019 00:30, maddylucas

All of the following would be questions that could be scientifically investigated except:
1. will equal sizes of styrofoam and wood have the same mass?
2. does lack of sunlight affect plant growth?
3. what is the proper number of children to have in today's family?
4. does adding salt to water raise its boiling point?

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All of the following would be questions that could be scientifically investigated except:
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