15 points! Help!
Although scientific theories are based on strong evidence, they can change over time. Which of the following correctly explains why scientific theories change?
Select one:
a. New theories require changes to the scientific process, so the theory changes as a result.
b. Scientists are often incorrect in their initial hypotheses, so the theory changes.
c. Scientists argue, re-examine, and consider new explanations to new data.
d. Theories are hypotheses that have gained support and change as the hypothesis changes.