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5 votes
Cathy conducts a scientific investigation. How can she make sure her results are valid?

2 Answers

5 votes
she compares the data with other outcomes of the same experiment and conducts the experiment more than one time without changing anything

User John Topley
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8.8k points
4 votes
to keep cheking and redoing the investigation taking her notes and making them more valid
User Mike Redrobe
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