You are presented with the question "Space shuttle travelers require what food for extended flights?" and the following answer choices: 
- layers of fat
 - short-lived
 - nutrients
 - perishable
 - preserved
 - little
 - Proteins
 - Dehydration

Now knowing that astronauts require preserved food for extended flights and astronauts travel into space aboard space shuttles, choose the best answer.


 

     preserved    