A fact is a statement that is true and can be verified objectively, or proven. In other words, a fact is true and correct, no matter what. An opinion, however, is a statement that holds an element of belief; it tells how someone feels. An opinion is not always true and cannot be proven.
Answer:
D. Gravity.
Explanation:
Gravity is the force that holds objects that attracts objects. Planets are bound to their star because they are attracted to it.