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vladimir1956 [14]
3 years ago
5

In an controlled experiment, why is it important to change just one variable at a time

Biology
1 answer:
77julia77 [94]3 years ago
7 0
If you change more than one variable at a time, then you will have a harder time trying to figure out why the certain change occurred.
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Hello,

Here is your answer:

The proper answer to your question is option B "Vascular"! Vascular tissues are responsible for transporting water around the body!

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