30. Which of the following is a common form of Japanese art or literature? 1 point O A. Mosaics O B. Tea Ceremonies O C. Frescoes O D. All of the above

the answer is c my brotha. c.   formed an alliance with the soviet union.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering