3.
how does physical water scarcity compare to economic water scarcity?
a. physical water scarcity is caused when there is naturally a lack of water in an
area, while economic water scarcity is caused when humans alter a once
useable water source.
physical water scarcity is caused solely by droughts, while economic water
scarcity is caused by humans' contamination of water.
c. physical water scarcity is caused by a natural lack of water in an area, while
economic water scarcity is caused by a region's inability to afford water.
d. physical water scarcity is caused by humans' contamination of a water source,
while economic water scarcity is caused by the lack of natural water sources in
an area.