[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? sentence 2 sentence 3 sentences 4 and 5 sentences 3 and 6

The rich natural resources made the sacramento valley a "garden of eden." permanent villages were established about 8,000 years ago.which choice combines these two sentences from paragraph two to achieve a coherent flow of ideas? a) the rich natural resources made the sacramento valley a "garden of eden" and permanent villages were established about 8,000 years ago. b) permanent villages were established about 8,000 years ago and the rich natural resources made the sacramento valley a "garden of eden." c) the rich natural resources made the sacramento valley a "garden of eden; " and so the permanent villages were established about 8,000 years ago. d) because of the rich natural resources which made the sacramento valley a ‘garden of eden,’ native americans established permanent villages there 8,000 years ago.