Question

which of these best describes a scientific theory?
a. an explanation that is supported by many different experiments
b. a hypothesis that is proven true with the results of one experiment
c. an educated guess about an aspect of the physical world
d. the conclusion of one famous scientist about a hypothesis

Explanation:

A scientific theory is a well - established explanation. It is not just based on one experiment (so B is wrong). An educated guess is a hypothesis (so C is wrong). It's not just the conclusion of one scientist (so D is wrong). It is supported by a large body of evidence from many different experiments.

Answer:

A. An explanation that is supported by many different experiments