You are presented with the question "The mass of a planet causes the pulling force that does what?" and the following answer choices: 
- holds objects to its surface
 - deadly and devastating
 - a tree falling
 - principals of aerodynamics
 - causes weather
 - to move people
 - forces air to the surface
 - changes rotations

Now knowing that the mass of a planet causes the pull of gravity on that planet and gravity is the pulling force that holds objects to the surface of a planet, choose the best answer.


 

 holds objects to its surface        