Answer: <u>A metal </u>is rare on Earth but relatively abundant in iron-rich meteorites. It has been found in widespread layers on Earth and it's date of deposition coincides with the major extinction of life on Earth 65 million years ago, possibly indicating a connection between a large impact and this extinction.
Explanation: That metal would be iridium
It is important because it is very important
At the beginning of the 20th century, Bosnia went through a crisis because because the Austro-Hungary empire decided to annex the country, even though it was officially under Ottoman rule.
