corsica is a large french island located to the south-east of mainland france in the west mediterranean sea (close to nice on one side and livorno, italy).

How would the previous sentence be correctly capitalized?
Answer: Corsica is a large French island located to the south-east of mainland France in the west Mediterranean Sea (close to Nice on one side and Livorno, Italy).
did someone email you a toast file and you're not sure how to open it? maybe you have found a toast 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 toast file related error message.

How would the previous sentence be correctly capitalized?
Answer: Did someone email you a TOAST file and you're not sure how to open it? Maybe you have found a TOAST 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 TOAST file related error message.
children learn to appreciate the biodiversity of a coral reef and how to make sure that the coral they buy has been harvested legally.

How would the previous sentence be correctly capitalized?
Answer: Children learn to appreciate the biodiversity of a coral reef and how to make sure that the coral they buy has been harvested legally.
the museum holds a very interesting collection of shells andcoral along withsamples of many other species.

How would the previous sentence be correctly capitalized?
Answer: The museum holds a very interesting collection of shells andcoral along withsamples of many other species.