What are Chris McCandless's internal and external conflicts for the book "into the wild"

Which of these is an example of a compound sentence? a fast food isn't likely to be the best choice for a c. neither of these health-conscious consumer. b. gwen was taking three science courses this d. both of these semester, yet she was able to maintain straight a? s. select the best answer from the choices provided

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What are the similarities of physical and chemical change ?