Young Adults, A Crucial Demographic Group, Are Less Knowledgeable About Obamacare Than Older Americans

Poll:  Young Adults Least Familiar With Obamacare by Sam Baker.  The Hill.  August 23, 2013.
(1)  ____________ of young people ages 18-34 were "very familiar" with the law according to the poll.

(2)  Combining all age groups showed ____________ saying that they're "somewhat" familiar with the law.

(3)  Young Adults are _____________ about the healthcare law than older generations.

(4)  _________ percent of middle-aged respondents said they disapprove of the Affordable Care Act.