Question

The earth moves around the sun question tag​

Answer 1

Answer:

The earth moves around the sun.Doesn't it?

Answer 2

Answer:

When a question tag is used in a sentence, it follows inversion of verb rule. ... Here, the given sentence is in present Indefinite tense and it is in the affirmative state, so, 'doesn't it' should be used because subject “earth” is singular. Hence, option B is the correct answer.

Hope it helps you