Islam.
Most are Muslims but there are Christian Arabs and in Egypt there are Coptic Christians. I would imagine that like all other races all religions are represented but Islam (Muslims) and Christians are the main religions.
mostly Muslim
you
Yes. The three monotheistic religions (of which Arabs and Israelis are mainly composed) all venerate the city.
The vanity of self-righteousness. but fundamentally they are the same.
Most African Arabs were Muslims and while most African Arabs today are Sunnis, historically, there was a mix of Sunni and Shiite Muslims. A minority of African Arabs are Christians.
Islam
they are cathlic
The majority of Germans will practice Christianity as their choice religion. Some Germans will however practice agnostic or Buddhist religions.
The religion that people practice or don't practice in a particular state or place is not important. All religions are in Pennsylvania.
African Arabs are overwhelmingly Sunni Moslem from the Maliki and Hanafi Schools. There are some Coptic Christians in Egypt, but elsewhere, the population of Non-Moslem Arabs in North Africa is minimal.