The ARAB LEAGUE is a regional organization for all Arab-majority country, which is most of the countries in the Middle East.
There is no such animal. Every Middle Eastern country has some desert areas. There are countries like Lebanon which have very few deserts, but there is no Middle Eastern country entirely devoid of deserts.
Iraq.
Lebanon is the only Arab country without a desert.
An Arab is anyone from an Arab (Middle Eastern) country or has any Middle Eastern blood in them. Egyptians, Palestinians, Iraqis, Saudi Arabians, Kuwaitis, and many more. An exception though is Lebanon. Many Lebanese consider themselves Arabs, but the majority do not.
Syria is another Arab country in the Middle East while the United Arab Emirates is an Arabian Gulf country, located also in the Middle East.
Lebanon is the only Arab country without a desert.
No. Most countries in the Middle East are Arab, but Israel is not. Additionally, Turkey, Iran, and Cyprus are non-Arab Middle Eastern countries.
All of these countries (and Cyprus) have Non-Arab majorities, in comparison to the other Middle Eastern countries which are Arab-majority countries. Turkey is majority Turkish, Israel is majority Jewish, and Iran is majority Persian. Israel has the largest Arab minority in terms of percentage (21% of the country), but Turkey has the largest amount of Arabs in terms of population (3 million, not counting the current 2+ million Syrian Refugees in the country).
No. Middle Eastern countries are Arab nations and Iranians are not Arab.
Egypt is the most populous Arab country period. It also has the highest population of individuals who identify as Arab.
The prime difference is that these three countries are majority non-Arab whereas every other Middle Eastern State has an Arab majority.