Which of the following does not accurately depict a scientific theory? a. theories are tested over and over again. b. theories are supported in many ways. c. theories may be changed or replaced if new evidence is found. d. theories are absolute truths.

Scientific theories are not absolute and unquestionable truths: they are the best explanation of the data, but they can be challenged if new data is discovered or if a new theory is found that fits to and explains the data even better! 
The best answer is d: this is not an accurate description of a scientific theory!

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