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Item 4 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? A.The student did not change enough variables. b.The student does not have a dependent variable. C.The student changed too many variables. D. The student needs to perform more trials.

Sagot :

Answer:

The Answer is C. the student changed too many variables.

Explanation:

For the quiz in K12

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