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:
c
Explanation:
you got this and never give up
Mountain Peaks and Plautaeu
Answer: this could affect trade by blocking the trade route and slowing down the trade. Russia could work on a different type of transportation source for the traders to pass through
Explanation: btw ur pfp is amazing XD
