Answer:
presentation.
Explanation:
When a macrophage encounters a free-floating pathogen, it phagocytizes it, breaks it down into pieces, then displays the pieces on its cell surface using a certain protein molecule. Displaying pieces of a pathogen in this fashion is called antigen presentation.
The correct answer for this question is this one: "b. social norms, values, and beliefs." After families, schools are the most important and obvious means through which children learn <span>social norms, values, and beliefs. </span>One reason for this is simply that children spend a significant amount of time at school: so it's very likely to influence them.
