Why should scientists preform experiments

To test the accuracy of a hypothesis or any findings that have already been made  

Explanation:

by performing experiments scientists get to test out any questions they have

Scientists should perform experiment because Without them, things would most likely not be as perfect as they are now. They wouldn't work properly or they would have malfunctions. It is important to perform them because it makes things safer to use and it makes them more appealing because they work good and are not broken.

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Explanation:

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quartz

explanation:

if you mean hydrogen and oxygen then water is the product