Nisha wanted to investigate if heat can affect the rate at which water evaporates. • So, she placed two 250 ml beakers filled with equal volume of water in two different places as shown in Fig. 7. What are the dependent, controlled, and independent variables in this experiment?
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Answer:
The dependent variable is the Rate of Transpiration and independent variable is the time of the day as each time of the day has different temperatures.
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