Question:
Choose your answer: Is "Why is not all nature in confusion, instead of the species being, as we see them, well defined?" a good answer to the question "What did Darwin ultimately decide was the reason that nature is not a chaos of variation?"
Answer:
no

Question:
Choose your answer: Is "After the public school system was widely developed beginning in the 19th century, some parents found reasons to be discontented with the new system." a good answer to the question "When were public schools become more and more developed?"
Answer:
yes

Question:
Choose your answer: Is "An average litter consists of about six puppies, though this number may vary widely based on the breed of dog." a good answer to the question "What is the average length of dog pregnancy?"
Answer:
no