by the rainfall figure of course
We need to know the areas of earth that are prone to drought because they affect the efficacy with which such areas may be used for agriculture.
drought drought
The drought we're in , but don't know what to call the drought. :)
a drought
The word is drought.
The absence of rain for a long period of time is sometimes referred to as a drought. A drought can cause the lost of crops and even can create a desert.
There was a drought in Africa
how big is a drought or how tall
A drought will dry everything up.
No, Australia is not having a drought.
Drought
The plural of drought is droughts.