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Answer: B. Evidence from research.
Explanation: Descriptions of a topic that prove the writer's point; making a description is just about telling you about something, that's not proving their point. Evidence is factual, factual = true so if writers get their evidence from a text or research they're proving their points; that's why B is correct. Opinions from their heart, is obviously so wrong because how can an opinion support another opinion; it doesn't make sense. Opinions aren't facts so it wouldn't work. Photographs and illustrations won't work, instead, be more verbal.
Answer:
C. Third person
Explanation:
It is not first person since it uses no words such as I or my. Nor is it second because there is no language such as us.
The answer to this question is D. to support the idea that matches really changed human life.