Answer:
By studying tissue samples under the microscope, patterns emerge of the damage that the respiratory virus leaves in the human body
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Answer:
Changes to negative votes
Explanation:
Hello! I would say your answer is C, court opinion.
A court opinion is something used in court - it announces the final decision of the judge, as well as restates a lot of the important parts of the court case. This has to do with the law, so it should be very formal.
On the other hand, a letter to your grandmother should be casual as it is a personal matter. A newspaper article is going to be as formal, but it is not regarded with as high importance as something on the legal side. An instruction manual will also be formal, but, same reasoning as a newspaper article.
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Using paragraph details that support each other.