What is the most pressing challenge facing the middle east in terms of its water supply?

a)
general scarcity

b)
pollution from farming

c)
pollution from industry

d)
bacterial contamination

What refers to the existence of more than one level of government in the country

Atraffic cop has pulled over a speeder, only to discover that he has stopped a close friend. the police officer is torn, because his professional obligations demand that he punish the speeder, but his personal obligations suggest that he should give a friend a break. what is this called?

Identify and describe the purposes of taxation.