There is no one hechsher that is accepted by all Orthodox communities. Some communities accept the Triangle K hechsher while others don't.
Reform, Recostructionist, Conservative, Orthodox, Ultra Orthodox
All the time.
Acceptance of someone into a Jewish community has nothing to do with race.
Orthodox just means traditionally accepted. It can be used in any religion. In Judaism it refers to Traditional Jews.
In between the Orthodox and Reform Jewish communities is the Conservative movement, although, the Conservative movement is closer to Orthodox than Reform.
90% of the population is Catholic. There are also Protestant, Orthodox, Jewish and Muslim communities.
Within Israel, it is not permitted. Outside of Israel, it is only followed as a custom in orthodox communities.
Yes, frequently, unless they live in segregated communities where they rarely encounter non-Jews.
It's a Jewish organization that supports Modern Orthodox Jewish life.
No, it is part of The Orthodox Church (Christianity), and it is not Jewish. In fact, there is no such thing as a Jewish church.
My Orthodox Jewish grandmother married a Reform Jewish man.
Association of Orthodox Jewish Scientists was created in 1947.