Choices:
a). weight.
b). motion.
c). magnetism.
d). gravity.

Answer the following question given this paragraph: Gravity has traditionally been defined as a force of attraction between things that have mass. According to this conception of gravity, anything that has mass, no matter how small, exerts gravity on other matter. Gravity can act between objects that are not even touching. In fact, gravity can act over very long distances. However, the farther two objects are from each other, the weaker is the force of gravity between them. Less massive objects also have less gravity than more massive objects. Q: What is the term for the force of attraction between things that have a mass? A:
Answer:
d).