Caleb was voted president of the local chapter of AMSA. Which skill(s) will he develop as the leader of the student organization?
public speaking and moderating
public speaking and presenting
moderating and presenting
public speaking, moderating, and presenting

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.