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Pt1420 Unit 3 Lab

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A. Variables that weren't controlled in the experiment;

1. The amount of aspirin placed in the vase.

2. Time intervals between each following observation of the flowers in the vase.

3. The kind of flower and garden where it is picked.

B. The impact of variables in A on the result of Kims' experiment.

1. The amount of aspirin placed in the vase. The amount of aspirin ought to be measured in exact amounts. The concentration of aspirin will change the rate of osmotic water take-up by the cells of the flower.

2. Checking the flowers for changes under irregular time intervals will influence the accuracy of every one of the three perceptions.

3. The kinds of flowers and soil will influence the quality of the flowers put in the vase.

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