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English, 12.08.2021 19:00 janayshas84
A student conducts an experiment to determine how the temperature of water affects the time for sugar to dissolve. In each trial, the student uses a different amount of sugar and a different temperature of water.
What is wrong with this experimental design?
The student changed too many variables.
The student does not have a dependent variable.
The student needs to perform more trials.
The student did not change enough variables.
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