Physics, 18.11.2020 02:40 baby0905rodriguez
Kate gathered three boxes of the same size made of different materials: glass, clear plastic, and aluminum painted black. She placed them on a window sill in the sun for an hour and then measured the warmth of the air in each box. In this experiment, the time of an hour is a(n) .
A. Dependent Variable
B. Constant
C. Independent Variable
D. Control
Answers: 3
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