What is the oldest thing in the world And where is it? I will mark you Brainiest if answered correctly

Jack Hills Zircon

The zircon crystals from Australia's Jack Hills are believed to be the oldest thing ever discovered on Earth. Researchers have dated the crystals to about 4.375 billion years ago, just 165 million years after the Earth formed.

most of the knowledge we have of the conflict comes from roman-jewish scholar titus flavius josephus, who first fought in the revolt against the romans, but was then kept by future emperor vespasian as a slave and interpreter.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering