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.
Answer:
oh shoot did this like in 8th grade now I dont remember anything my bad
Explanation:
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Hello did you have a problem with your computer i dont understand
Hello there. :)
<span>The set of countries with the greatest population densities are
</span><span>Germany, Italy, England</span>
Oceanic Crust
Continental Crust
Oceanic crust is denser than continental, this is why continents are at higher elevation than oceans.
