Answer:
that the blanket shouldn't be used by people with pace makers. I could be wrong though, but that's what I remember from it.
Explanation:
Developed by B.F Skinner, operant conditioning is a way of learning by means of rewards and punishments. This type of conditioning holds that a certain behavior and a consequence, either a reward or punishment, have a connection which brings about learning.
Lightheartedness means cheerful, carefree ect.
This means the line "The sounds of water splashing and laughter echoed in the distance; Tim's friend's had gone for a late-night swim." is the phrase that is the correct answer, since it talks about the happy actions of Tim's friends.
Answer C.
