The answer is b. social clock
Social clock refer to the social expectations that are
given by a culture about when the transitional events like marriage, having
kids, or retirement should take place in life. The social clock for every
culture and country differs, as the norms and values of every society have been
shaped over several centuries.
The youth age group had the least amount of voters their ages ranging from 18-29
The correct answer is a mixed economy.
A Mixed Economy is one where there is a mix of private and public enterprises present. Since the question indicated that there are private enterprises as well as public transportation and electricity, this is an example of a mixed economy.
If a child is not considered responsible enough to decide if he can smoke or drink or vote - he cannot be held responsible for being responsible enough to decide bigger things.
It is scientifically proven that children, especially boys, do not have a fully mature brain when they are teens. Their brains don't work right yet!