Answer:
C. The spread of disease
Step-by-step explanation:
Water scarcity, coupled with poor sanitation practices, has resulted in an abundance of illnesses, diseases, and deaths. Water scarcity can lead to a variety of water-borne tropical diseases, such as typhoid fever, cholera, dysentery, and diarrheal illnesses. (water scarcity being the un-drinkable water due to pollution)