Why is job specialization important to a civilization? I need three reasons.

It gives people something to do in their free time. It gives them a place in society. If people have specialized jobs, then they provide something for others and they also have a place in society.

faulty parallelism is a construction in which two or more parts of a sentence are equivalent in meaning but not grammatically similar in form.

the correct version of this faulty parallelism in the sentence is:

the hikers knew that the hike was six miles, that it usually required the entire day, and it would not be wise to start after 10: 00 a.m.

the problem is the last sentence, the first two have a basic subject+verb+object structure.

so, to give a proper balance to the structure, or better said, to give a parallel structure, we must write a basic s+v+o structure in all three sentences:

the hikers knew that the hike was six miles, that it usually required the entire day, and it would not be wise to start after 10: 00 a.m.

since he could see color, and nobody else could, he didn't find it fair that everyone else in the utopia couldn't see color but him and the giver : d