preheat oven to 450f with aluminum foil or parchment paper, line a cookie sheet.

How would the previous sentence be correctly capitalized?
Answer: Preheat oven to 450F With aluminum foil or parchment paper, line a cookie sheet.
shows you your favourite places in the form of special destinations, ensuring that you can see at a glance when you happen to be around the corner of your favorite italian restaurant or your friends.

How would the previous sentence be correctly capitalized?
Answer: shows you your favourite places in the form of special destinations, ensuring that you can see at a glance when you happen to be around the corner of your favorite Italian restaurant or your friends.
the onset of mesothelioma is usually quite slow.

How would the previous sentence be correctly capitalized?
Answer: The onset of Mesothelioma is usually quite slow.
when people come to your store, especially for a rare pokemon, you can offer a discount, or free product for certain catches (say, a pikachu caught gets you a free fountain drink).

How would the previous sentence be correctly capitalized?
Answer: When people come to your store, especially for a rare Pokemon, you can offer a discount, or free product for certain catches (say, a Pikachu caught gets you a free fountain drink).