Why is the sun important to our solar system?

All of the planets revolve around it. You could have other answers (don t worry if it says you are wrong and you know that is a way that the sun is important to our solar system are correct.

The Sun is the most important thing to us on Earth. Without it, Earth would have no life and would be a rock coated with ice. The Sun is why we can live on Earth. It gives the plants energy, which is the reason we have oxygen and food. Both of these things are necessary to continue life.

I put all four ways and this website told me that my answer is incorrect I don't know how andI don't know why but it told me that I was WRONG.