15 points! ! 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.