Why does rosaline represent a foil to juliet ?

Can you answer number 5 for me . hurry

Frankenstein: what attitudes toward education are expressed by shelley in her description of victor’s upbringing in chapter 1? what, for example, motivates victor and elizabeth to study/practice?

Which word or phrase would smooth the transition between sentence 1 and sentence 2? o "in conclusion" o "for example" o "therefore" o"because"