When Earth first formed, its elements were
Chapter 20, Problem 38(choose chapter or problem)
When Earth first formed, its elements were distributedevenly. Rank, from first to last, the episodes that broughtabout Earths uneven distribution of elements: (a) gravitationalattraction, (b) radioactive decay heating, (c) densitysegregation, (d) impact heating.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer