You are presented with the question "what can change the color of an environment from green to brown?" and the following answer choices: 
- lack of water
 - clouds
 - trees
 - increased h2o
 - climate
 - deforestation
 - burning
 - Greenhouse gases

Now knowing that adrought can change the color of an environment from green to brown and drought, or a lack of water, is often a problem for farmers and communities around the world, choose the best answer.


 

 lack of water        