nick wanted to know which type of surface will a ball roll faster. he rolled the ball on the sand and on their tile floor from the same (A) to 5 meters distance in the different set up. which part of scientific investigation is he showing
a.hypothesis
b.data analysis
c.experimantation
d.conclusion
a.hypothesis
b.data analysis
c.experimantation
d.conclusion
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c. experimentation
because he tried to actually test it