After reviewing the graph you posted above, there is one radioactive isotope that has a half life that is approximate to the same as the estimated time of the origin of Earth.
The radioactive isotope is called Uranium 238. You can also write this out as U-238 or uranium/u. Any of these are acceptable for the answer.
The answer to your question would be D africa
hope this helps :D
How do nearby bodies of water help to keep the climate of certain areas mild?
A Land and water absorb and store heat at similar rates.
B Water and land temperatures reach extremes of hot and cold.
C Water temperatures change more slowly than land temperatures.
D Land temperatures change more slowly than water temperatures.
The Hadean era was before rocks were formed so I’d say b) . Hope this helps :)
