How does chemistry affect the clothes you wear?
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A. Colors that are popular in the spring may not be popular in the fall.
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B. Dyes used to color clothes do not come out in the wash.
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C. Cotton may be genetically modified to resist certain diseases.
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D. Clothes come in different sizes to fit different body types.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of