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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 then measured the warmth of the air in each box. in this experiment, the warmth of the air is a(n)________.


A. independent variable

B. control

C. dependent

D. constant

Respuesta :

RealAhmadShaker

I am sure that the answer is C dependent

In the given experiment there are three factors

a) type of material : these are independent of each other so are independent variable

b) time : one hour : we have a fixed time so this a constant

c) warmth of air : it is dependent on the time and also on the material of the boxes taken for keeping the air in sun. Thus answer is "Dependent"

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