Which of the Following Is Not Correct

Multiple Choice

Which of the following is not correct?

A) When developing economic theories,graphs offer a way to visually express ideas that might be less clear if described with equations or words.
B) Graphs are one way of expressing the relationships among variables.
C) When studying the relationship between two economic variables,graphs allow economists to draw indisputable conclusions about causes and effects.
D) When analyzing economic data,graphs provide a powerful way of finding and interpreting patterns.