Can someone help plz

American history (is, are) studying the american colonies.

2pointsread this passage: "don't worry about me," i said. "i'm not tired at all." oh no,i'm feeling dizzy. this is what they call passing out. don'tdo that. don't pass out. stay upright – stay awake.how does the difference between the character's spoken words and internalthoughts affect the story? oa. it establishes the setting.ob. it introduces a new character.c. it creates dramatic tension.d. it ties up loose ends.

What is the main idea of this paragraph from the volcanoes section of the ready.gov website