To ensure safety, it would be best to eat leftover foods that have been refrigerated within three days. Leftovers are usually refrigerated to prevent the growth of bacteria. If these leftovers are not refrigerated and are left on room temperature for more than two hours, then these should be discarded. The answer for this is C.
No space between book,chair. Two apostrophes in the word didn''t near the end. Space in the apostrophes and no comma before them " why is everything in the house alive?".
