Which of the following would not be classified as an astronomer? A) Tycho Brahe
B) Isaac Newton
C) Andreas Vesalius
D) Johannes Kepler

C) Andreas Vesalius

Explanation:

All of your choices could be classified as an astronomer, except for Andreas Vesalius. Tycho Brahe was an important astronomer, who’s discoveries influenced Keller’s work. Kepler himself created important laws about planetary motion. Lastly, Isaac Newton made important discoveries about gravity, which could apply to the field of astronomy. However, Andreas Vesalius studied anatomy, and none of his work related to astronomy. Therefore, your answer is C) Andreas Vesalius.

following type of cultural development caused people to want and buy new products on the market :

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering