Question

When levels of available water do not meet certain defined minimum requirements, that is known as ?

When a country has access to reliable water over time, then they are said to have this

This term can also mean drought:

When the demand for water in a country does not meet the availability, that is known as

Which of the following is not a cause of water scarcity?
A)Land use
B)Water quality
C)Terrorism
D)Population growth