Answer:
physics is the study of nature and its laws by observation and experimentation
A scene is a part of an act defined with the changing of characters. To be more specific, the elements that create the plot of a play or any story, and divide a play into acts include the exposition, which gives information, setting up the rest of the story.
Walker is a wussy who doesn't deserve friends or hip hop.
I feel that C. is definitely one of the answers. D. might also be an answer.
