Which of the following ”w” questions should be used with the most caution? (a) where (b) who(c) what (d) why

  the correct answer is : binding price ceilings encourage the formation of a black market

It is c) binge drinking alcohol 

The  knowledge gap  as been recast more recently as a “digital divide”  gap. with the internet and social media many things can be done faster and better. so much faster and better that those that do not have access to them are literally left out of the game.