EXERCISE: You want to prove that trees lower the air temperature under the ! ou stand under a tree, hold out a thermometer under the shade for a few tmperature. You then move to an area where are no trees and you take and recor Which is the experimental setup? b. Which is the control? Which is the independent variable? d. What factors will you keep constant?
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The experimental set up contains the variable that you are attempting to test. Based on the information given, it seems that the hypothesis is stating that tree shade creates lower air temperatures. From that hypothesis, an experimenter could predict the following: "If the thermometer is held under the trees.
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