Fact 1: Aplant requires sunlight to grow.

Fact 2: Sunlight is composed of photons, or particles of solar energy.

Given the two facts above, answer the question "What does a plant need in order to grow?" with the following options: 
- body water
 - rocks
 - wind
 - nutrients
 - photons
 - sugar
 - sound waves
 - cells


 

     photons    