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Biology, 31.08.2021 21:20 NabzDayer5214

Denise and David are testing how plants respond to fertilizer. They use three plants for the experiment. The first is given a cup of Fast Grow fertilizer with no water. The second is given a teaspoon of Sunlight fertilizer with a cup of water. The
third plant is given no fertilizer with a cup of water. Denise and David will not be able to draw a valid conclusion from their
result. Which of the following statements explains why?
Fast Grow
Fertilizer
SunLight
Fertilizer Gel
Plant A
Plant B
Plant C
A There are not enough different types of plants.
B There is no test variable (independent variable).
© Results of the experiment need to be presented in a graph.
More than one test variable (independent variable) has been changed in the experiment.

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