Christianity arose from the teachings of

Christianity arose from the teachings of Jesus Christ.

Explanation:

According to the Christian tradition, Jesus, also called Jesus Christ, is the son of God, the personification of God on earth, sent by Him to heal humanity from their sins.

The teachings of Jesus Christ were collected by his followers, called apostles, who wrote the gospels compiling these teachings, called The Word of God.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

the answer is b hope that