the wind pushes on the ball with friction. the mass of Earth creates a pull of gravity on the ball. the core of Earth pulls on the ball with a magnetic attraction. the weight of the atmosphere pushes down on the ball.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Don throws a ball in the air. The ball comes back to the ground because
Possibilities:
- the wind pushes on the ball with friction.
- the mass of Earth creates a pull of gravity on the ball.
- the core of Earth pulls on the ball with a magnetic attraction.
- the weight of the atmosphere pushes down on the ball.

the mass of Earth creates a pull of gravity on the ball.