Fact 1: Astronauts require preserved food for extended flights.

Fact 2: Astronauts go out into space.

Given the two facts above, answer the question "What do those who go out into space require for extended flights?" with the following options: 
- preserved food
 - fresh vegetables
 - Electrical energy
 - heat energy
 - food and shelter
 - Energy.
 - fresh fruits
 - luxury items


 

 preserved food        