Fact 1: Friction causes an object to lose energy.

Fact 2: Dear Ashlee, The heat in the reentry phase is due to friction between the spacecraft and the air.

Given the two facts above, answer the question "Orbiting spacecraft reentering the Earth's atmosphere" with the following options: 
- lose energy
 - dormant state
 - to move people
 - migrate
 - inactive
 - threatened
 - rays or beams
 - It decreases


 

 lose energy        