Experience research study. experiment explain scientific process useful for research for an action . Albert enistein . He was found all the scientific knowledge. more scientist same method
Explanation:
Scratch the mineral with the blade of a pocket knife. Rub off any loose powder to see if the mineral has been scratched.
Answer:
This is due to the relative melting points of the different layers (nickel–iron core, silicate crust and mantle) and the increase in temperature and pressure as depth increases We have the inner core, outer core, mantle and crust which play an important role on Earth.