I think the answer is D. ( or supported by observations ). Because theories change over time, they both NEED to be proven, they do NOT go off of consensus, but they do NEED to be supported by observations.
I hope this helps.
Answer:
The answer to your question is B.
Answer:
C. George cannot move the planets around the Sun.
Explanation:
You cannot make things move on a piece of paper. That means that C would be the correct answer.