Humans are different from each other mainly because of DNA because no person shares an exact DNA sequence to someone else other unless they are twins. They can also be different due to their brain because many people's brains are never to similar to someone else's.
Answer: Humans are different in the aspect of personality, looks, nationality, families, etc etc… We all come different depending on what you see as different, but not in a bad way; unless you see it in a bad way.
"b. Ben Bernanke became chairman of the federal reserve in 2006" is the only factual sentence from the options listed. The others are opinions or haven't happened yet.
