Which is an example of "noise" as the term is defined in your text? someone tapping a pencil while you're trying to talk a headache that interferes with you listening feelings of anger directed toward a partner preoccupation with another topic during a lecture all of the above?

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force