Answer:
I think oasis
because wadis is probably a small dry region in a place where there are rains pouring sometimes
It is called a Building: Because the suffix 'ing' is added to verbs to make noun forms. For instance a celebrity's following. Following describes the people who follow them in a noun form.Building is a noun form of a thing that exists as the result of the act of those who built it.
Domain (-infinity, +infinity)
Range (0, +infinity)
Explanation:
Secretary of State John Foster Dulles defined the Middle East as "the area lying between and including Libya on the west and Pakistan on the east, Syria and Iraq on the North and the Arabian peninsula to the south, plus the Sudan and Ethiopia."