1] jenna is brainstorming topics for a term paper for her history class. [2] although she wants to get started as soon as possible, she also wants to choose a subject she’s passionate about. [3] she’s strongly considering writing about sally ride, because he was the first american woman in space. [4] jenna might also write about eleanor roosevelt, but that would require more background research. [5] if she decides to write about marie curie, she could use the research she did for a project about radiation for chemistry class. [6] some options is better than others, but by choosing carefully in advance, jenna thinks she’ll get a better grade in the end.

which sentences have errors?