Fact 1: Aplant requires nutrients to grow.

Fact 2: Food Potash is an essential plant nutrient.

Given the two facts above, answer the question "What do plants require to grow?" with the following options: 
- wind
 - Collagen
 - cellulose
 - grass
 - sunlight
 - moonlight
 - potash
 - photons


 

       potash  