Fact 1: Aplant requires water to grow.

Fact 2: Water is absorbed by a plant's roots.

Given the two facts above, answer the question "What helps plants grow?" with the following options: 
- Glucose
 - Enzymes
 - Roots
 - Cold temperatures
 - Bees
 - RNA
 - Confined Spaces
 - Shade


 

   Roots      