You are presented with the question "What do astronauts need for extended flights?" and the following answer choices: 
- hydrogen and oxygen
 - preserved meals
 - solid, liquid, gas
 - small meals
 - fresh meals
 - Dehydration
 - nutrients
 - surprise meals

Now knowing that astronauts require preserved food for extended flights and custom foods and meals can be created, choose the best answer.


 

  preserved meals       