Judaism is correct answer as this three monotheistic religions are called also Abrahamic religions. All of them appeared in the area of Near East, which was the result of interaction between different nations in that area.
On the other side all other mentioned religions are characteristic for Eastern and Southern Asia, as they have emerged there.
A geographer who studies Earth's physical features wouldn't study human adaptation, ancient religions, or the people of a certain area. More like the physical land of the Earth and the nature around us.