Izzyfizzy1 Izzyfizzy1

02-10-2018
Chemistry

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Cathy conducts a scientific investigation. How can she make sure her results are valid? A. repeat the investigation several times B. confirm that her results match her hypothesis C. write a report about her results D. use metric measuring units during her investigation Pls Help Me....... It's Science By the way.

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findingworthytears findingworthytears

02-10-2018

A. repeat the investigation several times. You must repeat an experiment to make sure it is valid.

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dennyssierra2007 dennyssierra2007

20-05-2021

Answer:

the answer is A

Explanation:

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