why are transitional expressions important? because they connect ideas because they connect words because…

Brief Explanations:

Transitional expressions are crucial in writing. Their main role is to link ideas. By doing so, they help in creating a smooth flow of thoughts in a text. This makes the writing more coherent and easier for the reader to follow. Connecting words or grammar is not their primary function. While they may involve words and grammar in their structure, their significance lies in the connection of ideas.

Answer:

because they connect ideas