Why Brood X is emerging and why people are excited about is ?

Spring of 2021 is the big one. Brood X, a group of periodical cicadas that emerge every 17 years, will tunnel out of their long dormancy and take over the Cincinnati area. We're talking billions of cicadas across 15 states – including Ohio, Kentucky and Indiana. There have been several questions about the cicadas

Explanation:

they're going to emerge synchronously in such massive numbers, they fill the bellies of every predator that wants to eat them," Raupp explains. Even after predators' bellies are full, there are still many, many cicadas left to reproduce.

b. vast setting

explanation:

an epic is a poem of heroic proportions; it can't be short or focus on simple daily life event. it cannot be written with a casual tone as it narrates some heroic deeds of legendary figures.    

mark brainliest and have a great day!

the answer to "what does the narrator realize by the end of the story" is b.