What statement best describes what a circle graph shows? A. The average of a data set
B. A frequency distribution
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C. The relationship between two variables
D. Data as proportions of a whole

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car