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In this experiment, the area that had never had a road is useful to the experiment because

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In this experiment, the area that had never had a road is useful to the experiment because

In this experiment, the area that had never had a road is useful to the experiment because
A) at least three samples are necessary to have a valid experiment.
B) the area never roaded serves as a control for the experimental variables of recontoured and abandoned.
C) the researchers need to know what species of plants were common to all three areas.
D) since all three areas had existed for the same amount of time, the third area allowed time to be controlled as a variable.

Textbook

Campbell Biology: Concepts and Connections

Edition: 8^th

Authors: Reece, Taylor, Simon, Dickey, Hogan

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Bobby.s

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More solutions for this book are available here

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