what makes water so important in arabia and iraq

a. in the fertile crescent
b. in the rub' al-khali
c. in cities
d. in and around mecca

4 answers

The answer choices don't make sense with that question.
the actual answer choices are:
a.its abundance
b.its scarcity
c.its value as an export
d.its salt content
whats the answer
Can somebody put all the answers for the quiz