Question

Scientific theories

result from observations and experiments and might change
result from observations and experiments but cannot change
come only from the beliefs of scientists and might change
come only from the beliefs of scientists and cannot change
@jokersmart

Answer 1

A. result from observations and experiments and might change.
As used in science, however, a theory is an explanation or model based on observation, experimentation, and reasoning, especially one that has been tested and confirmed as a general principle helping to explain and predict natural phenomena.