which of the following is the best example of an experimental investigation?
James is using the microscope to draw a red blood cell.
Lois is varying the rams height to see how it would affect the speed of the ball rolling on it.
Kaye is listing down the differences between a pitcher plant and a venus flytrap.
Martha is drawing the patterns of the stars she's is the every night.
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Therefore, the best example of an experimental investigation would be:
Lois is varying the rams height to see how it would affect the speed of the ball rolling on it.