Earth has seasons because ? a . it rotates on its axis b. the distance between earth and the sun changes c. it’s axis it tilted as it moves around the sun d. the temperature of the sun changes

When can a hypothesis be elevated to the status of a theory? a) when it is validated by an experiment b) when data gathered from an experiment precisely fits predictions c) when it can be proved to be true d) when it meets the test of repeated experimentation