Answer:
The Church was the single most dominant institution in medieval life, its influence pervading almost every aspect of people's lives. Its religious observances gave shape to the calendar; its sacramental rituals marked important moments in an individual's life (including baptism, confirmation, marriage, the eucharist, penance, holy orders and the last rites); and its teachings underpinned mainstream beliefs about ethics, the meaning of life and the afterlife.
Explanation:
I believe the answer is: Sheet metal
Self tapping screws are made by creating a gap in the connector within the thread of a crew, which creates a flute and cutting edge just like what we see on tap. This makes self tapping screws able to tap their own hole in a sheet metal while normal screws can't.
B. Vertical relation indicates that the person at the higher level are of higher status. Parallel means that the people are of equal level or direction. Circular may means that the group of people are of the same level while Horizontal may means that the people are on the same level.
