Answer:
C) very, very happy
Explanation:
the phrase "on top of world" is used to describe the feeling of joy, or extreme happiness.
A. Because the source would have a wide spectrum of information and would lead you to other sources for more specific information.
There isn't really a right answer to this, it's more opinion based. What did you cover in class? If its relating to foodborne illness and sanitation then you could say, "One fact that I thought was most important was to avoid cross contamination with certain foods like poultry or raw eggs"
Man vs. Society
In which the individual is up against those around them.