What is a scientific theory is and under what conditions a theory may be revised? a. A theory is an explanation for a scientific phenomenon. It answers WHY and HOW type questions about the natural world. A theory is based on extensive testing and experimentation and is taken as truth. It can NEVER be revised.
b. A theory does not explain but it states the relationship between variables. It can be revised at any time if someone disagrees with it.
c. A theory is an explanation for a scientific phenomenon. It answers WHY and HOW type questions about the natural world. A theory is based on extensive testing and experimentation and is taken as truth. Sometimes, however, a theory must be revised. This happens when new knowledge or new technology expands and corrects our understanding.
d. A theory is only a guess and can be revised by anyone.