The three forces could be lift drag weight
A more stable food supply
If it doesn’t contain any of the following definition then it’s wrong
A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.
Answer:
I believe the answer is of option 5.
Ima b honest, I’m just here for the 5 points