Fluids.......................
Answer:
the Hawaii scientific drilling project drilled over 3000 meters into the Mauna loa volcano and when the lava is cooled it turns into a solid rock.
Explanation:
Answer: When using fossils approximate age by comparing it to similar rocks and fossils of known ages, is called relative dating.
Using that method we can determine the age of rock layers. That’s our way of dating them.
Hope this helps! ^^
the same goes for the other