A drought can change the color of an environment from green to brown.
Due to the drought, there is no water.
A lack of water can change the color of an environment from green to brown.
What can change the color of an environment from green to brown?
a: the ocean
b: a lack of water
c: rain
d: harmful substances
e: sleet
f: deforestation
g: Greenhouse gases
h: Greenhouse gasses