Fact 1: Aplant requires water to grow.

Fact 2: Plants wither and die for lack of rain.

Given the two facts above, answer the question "Vegetation will wither and die if it doesn't get enough what?" with the following options: 
- rain
 - radiation
 - oxygen
 - rocks
 - energy
 - water
 - dark
 - Energy.


 

      water   