Answer:
Explanation:
An index fossil allows a scientist to determine the age of the rock it is in. ... Different species of trilobite fossils can be used to narrow the age even more.
Answer:
It brought new technology to africa as well as knowledge
Explanation:
They are called "Blood Diamonds". Hope that helps! :)
Oceanic crust is denser than continental crust but both are less dense than the mantle.