Question

what might happen if the axis is not tilted?

Answer 1

Answer:

there would be no seasons. And humanity would suffer. When a Mars-size object collided with Earth 4.5 billion years ago, it knocked off a chunk that would become the moon. It also tilted Earth sideways a bit, so that our planet now orbits the sun on a slant.

Explanation:

Answer 2

There would be no seasons