question: in many cases a bone marrow transplant will be necessary to cure leukemia.
Capitalize this past sentence correctly.
A: In many cases a bone marrow transplant will be necessary to cure leukemia.

question: unfortunately, it is not that easy to delete the threat, primarily because it involves the loss of personal files. if the devious ransomware has already corrupted the operating system, then you must have discovered that many of your document files, photos and videos are now encrypted.
Capitalize this past sentence correctly.
A: Unfortunately, it is not that easy to delete the threat, primarily because it involves the loss of personal files. If the devious ransomware has already corrupted the operating system, then you must have discovered that many of your document files, photos and videos are now encrypted.

question: 12. rent of chartered ships (time charter - rent)
Capitalize this past sentence correctly.
A: 12. Rent of chartered ships (time charter - rent)