Answer: I believe this question is unfinished. Here is the rest:
Answer is limited
Water sources in the Middle East are __________.
A. easily accessible
B. limited <---
C. clean
D. unpolluted
Explanation: If you are talking about any water source; There are 8 main transboundary rivers located in the Middle East Region which account for most of the region's surface water. These rivers are: Nile, Tigris, Euphrates, Orontes, Harirud and Helmand (in Iran) Rivers. While, the Yarmouk River and El-Kabir River are shared between Arab countries.