Drought is when amount of precipitation decreases.
Drought causes famine, which contributes to decentralization and unrest.
A decrease in precipitation can cause famine.
What can cause famine?
A) Movement of an air mass
B) Effective fertilizers
C) the ground shaking
D) Increased irrigation
E) Crop harvesting
F) Decreased precipitation
G) single-celled organisms
H) forest is destroyed