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

Fact 2: Drought Heat and drought go hand in hand.

Given the two facts above, answer the question "What condition can change an environment from green to brown?" with the following options: 
- water
 - cold
 - Winter
 - death
 - wind
 - coolness
 - heat
 - rain


 

       heat  