Which of the following are true about planning a scientific investigation?
Scientists should construct a hypothesis after they have developed procedures to carry out the investigation.
Scientists should never look at another scientist’s investigation on the same topic because it will sway their judgment.
Scientists should repeat their investigation to ensure data collected are accurate, precise, and reliable.
Scientists should always conduct an investigation in a laboratory setting for safety purposes.
Scientists should research their topic before developing procedures for an investigation.

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