a professional archaeologist's goal is to record history and, if possible, move the objects as a collection for research and display.

How would the previous sentence be correctly capitalized?
Answer: A professional archaeologist's goal is to record history and, if possible, move the objects as a collection for research and display.
it is the lady who has a feeling for this.

How would the previous sentence be correctly capitalized?
Answer: It is the lady who has a feeling for this.
did someone email you a f06 file and you're not sure how to open it? maybe you have found a f06 file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a f06 file related error message.

How would the previous sentence be correctly capitalized?
Answer: Did someone email you a F06 file and you're not sure how to open it? Maybe you have found a F06 file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a F06 file related error message.
good circulation is crucial for the healing process.

How would the previous sentence be correctly capitalized?
Answer: Good circulation is crucial for the healing process.