Why is the periodic table of elements called the most elegant organizational chart ever devised?

explanation:

omgggggg i go to k12 too : d

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.

yeet yeet yeet yeet yeet yeet yeet yeet yeet yeet yeet yeet