4) By using expressions, you will achieve coherence in your paragraph.
varied
transitional
complex
chronological

By using transitional expressions, you will achieve coherence in your paragraph.

Explanation:

Transitional words and expressions are used to link ideas in a sentence, paragraph, or a text. As their name suggests, they help the author transition from one idea to another smoothly, even if the ideas are different or opposite. That helps the flow of ideas and also creates coherence, which is the logical linking of ideas. In other words, when ideas are well-connected, the text has achieved coherence. To do that, we need transitional words.

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