Aforce can best be defined as
a. gravity.
b. momentum.
c. a push or a pull.
d. something that is exerted.

Force can best describe as push and pull of a certain object. It is due to some phenomena like gravity. Force is also present when a person exert forces or action. And also when a certain object moves it's momentum changes its rate.
Thus, all the given  choices are definition of force

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.