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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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