Question

Why earth's axis are tilted?

Answer 1

Earth's axis is tilted at an angle of 23.5 degrees relative to our orbital plane . It looks like it probably collided with another small planet and in the process it was tilted.
Earth’s tilt is very important. It is perfectly positioned so that it gives us the seasons
Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees relative to orbital plane.