Fact 1: Adrought can change the color of an environment from green to brown.

Fact 2: If feeding is severe, particularly under drought conditions, the tips of leaves become brown.

Given the two facts above, answer the question "what can change about leaves during a drought?" with the following options: 
- oak
 - branch
 - corn
 - bushes
 - intelligence
 - color
 - size
 - form


 

      color   