You are presented with the question "What food do astronauts eat while in space?" and the following answer choices: 
- layers of fat
 - squids
 - Proteins
 - fur and fat
 - kinetic energy
 - sea urchins
 - nutrients
 - Irradiated

Now knowing that astronauts require preserved food for extended flights and on their trips into space, astronauts eat foods preserved by irradiation, choose the best answer.


 

        Irradiated 