Explain how social environment, mass media, and interest groups influence public opinion.

Explanation: The mass media can also reinforce latent attitudes and “activate” them, ... e-mail and blogs—are usually less influential than the social environment, but they are still ... public opinion, especially by interest groups or issue-specific organizations, ... but their cumulative influence in the formation of public opinion is substantial.

Well, Society makes us think that if we arent dressed a certain way or we do not do certain things then we are not "popular" or "trendy" and it can influence many to do the wrong to become popular or trendy from those who are around them and from what is being posted on the media. 

a because i tried to vote with just my college id and the answer was no

the answer is d i think