Scientific experiments often produce new scientific knowledge. what usually happens if a scientific experiment generates new knowledge that doesn't agree with an existing theory? a. the new knowledge is used to reevaluate the theory. b. the new knowledge is ignored in favor of the old theory. c. scientists choose whichever side seems to have the most followers. d. science is abandoned as a way to generate knowledge.

Option A.

The new knowledge is use to reevaluate the theory.

Explanation:

Scientific method is the method use to get knowledge about some things and it's purpose is to determine whether the observation agree with or conflict with the hypothesis.

When a scientific experiments generate new knowledge that is different from the existing theory, it is use to reevaluate the theory. Scientific method or theory are based on predictions.