Answer:
chemical or physical i dont know for sure i kniw i have learned this juat cant rember
Answer: high iridium levels in a 66- million-year-old clay layer in Denmark and Italy
Explanation:
Answer:
Air
Explanation:
It takes up space/ the rest do not
Natural diamonds are made very deep within earth's surface where high temperatures and pressure exist naturally, thus making them much more difficult to obtain, and making them a more expensive option that Swarovski Crystal.