It might help if we could see what the paragraph and choices were :)
Sentence variations add interest and variety to a piece of writing, improve rhythm, or help you trim wordy sentences. One sentence variation, the appositive, can even help you combine two sentences. I hope you are satisfied with my answer and feel free to ask for more if you have questions and further clarifications about the said questions <span>
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Activism is action on behalf of a cause, action that goes beyond what is conventional or routine. An example of Activism is polite request to objectional interference. Good luck!