Question

question 21 of 25 what is a scientific theory? a. an idea supported by evidence b. an experiment c. a hypothesis d. an educated guess

Explanation:

A scientific theory is an idea that has been extensively tested and supported by a large body of evidence. An experiment is a procedure to test a hypothesis. A hypothesis is a proposed explanation made on the basis of limited evidence as a starting - point for further investigation. An educated guess is also a hypothesis.

Answer:

A. An idea supported by evidence