Passage
Fill in the blanks with appropriate options and answer the given subquestions.
Dry ice is often used for (1) ________ purposes. It is also used in fog machines in theatres and events for pulling off (2) ________ effects. One of its advantages is its temperature, which is (3) ________ than that of water ice. Since dry ice sublimates easily at normal pressure, it is too (4) ________ to be handled without protection and can cause frostbite injuries. Precaution is needed when packing dry ice into a (5) ________ for transporting.