Answer and Explanation:
RNA vaccines use a DNA template for manufacturing, which makes these vaccines cheaper and faster to complete. In addition, these vaccines have different forms of application and administration, being advantageous in storage, transportation and distribution, which is one of the biggest challenges in relation to traditional vaccines.
Last but not least, RNA vaccines produce the proteins necessary to fight the atene, allowing the body to deal with the disease more quickly.
The correct answer is C.
Btw, this is my 200th answer :)
I would estimate that the first one is the answer.
I looked up the summary(s) for both the passages, and 'to build a fire' is about a guy who despite everything being against him, being persistent and dying because of his actions, while 'gumption' is about the hardships of african americans.
Of course, this is just my estimation.
