Question: Xrays of the affected joints can suggest osteoarthritis
Please fix the punctuation.
Fixed: [X-rays of the affected joints can suggest osteoarthritis.]

Question: After completing the security information click OK
Please fix the punctuation.
Fixed: [After completing the security information, click OK.]

Question: A devastating fire burned Copenhagen in 1728 The timberstructured sections and they were rebuilt with brick
Please fix the punctuation.
Fixed: [A devastating fire burned Copenhagen in 1728. The timber-structured sections and they were rebuilt with brick.]

Question: That hairsplitting isnt likely to fill the 50 million affected users with confidence either in Facebook the companys ability to police its own platform form abuses and influences or the democratic process
Please fix the punctuation.
Fixed:
[That hair-splitting isn't likely to fill the 50 million affected users with confidence, either in Facebook, the company's ability to police its own platform form abuses and influences, or the democratic process.]