AP BIO !!! That is the hardest AP class.
Explanation:
<h3>The three act structure is a narrative model that divides stories into three parts– Act one, Act two, Act three, or rather, a beginning, middle, and end.</h3>
I think it's B 34 so it's not c or a :3
Scarcity-fundamental economic problem facing all societies that results from a combination of scarce resources and people's virtually unlimited wants
<span>-They help to prevent bank runs by reassuring the public that banks will not make too many loans and run out of cash.
-They help to facilitate transfers of funds between banks when a customer from one bank writes a check to a customer of another.
-They help to control the money supply.
Hope I helped </span>