Answer:
They fold to create ridges and valleys perpendicular to the direction to which pressure is applied.
The answer is C adding more mass(Tape) to the balls(No homo) would increase the gravitational pull.
Pulleys can be used to lift heavy objects that otherwise may not be able to be lifted. They reduce the amount of force it takes to lift a load.
It breaks apart for when it travels because it does not remain still in an area . that is why when we hear the sound of the thunderstorm it strikes but then it strikes again in another area where there are groups of electrons meet hydrogen and from there they can give off the boom reaction that also includes the presence of nitrogen