Which statements correctly describe theories? check all that apply. theories result from several repeated experiments. theories are based on a single hypothesis. theories explain observations and hypotheses. theories may be revised over time. theories cannot predict what may happen in the future. theories are proven facts.

Theories are a collection of scientific data that is generally accepted and reproducible. Theories are a result from several repeated experiments, but theories are not based on a single hypothesis. Several hypotheses are tested and appraised to become a well accepted theory. Theories may also be revised over time and can predict what may happen in the future. On the other hand, theories are not proven facts.