1. Must Go to bed early.must not stay up late.
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2. Must Be polite.must not be rude
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3. Must not wear jeans. Must Wear smart clothes
4. Must Put your mobile on silent.must not disturb people on the train
5. Must Take off your shoes.must not make the carpet dirty
6.must not jump the queue.must Wait for your turn
I think the correct answers from the choices listed above are the second, third and last option. Three characteristics in which a man's brain differs from an ape's brain are lateralization, limbic system and <span>angular gyrus. Hope this answers the question.</span>
C. To explain how something began.