Fact 1: If a planet becomes too hot then that planet cannot sustain life.

Fact 2: Sunlight passes through the atmosphere to heat the surface of the planet.

Given the two facts above, answer the question "What can't too much sunlight sustain?" with the following options: 
- heat
 - warmth
 - corn
 - life
 - energy
 - Injury
 - algae
 - biome


 

    life     