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.
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A tectonic plate is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere
Explanation:
Answer:
Examples of situational factors are your environment, work and school, and the people around you. The opposite is dispositional factors that are are individual characteristics that influence behavior and actions in a person like personality traits, temperament, and genetics.
The city-states of ancient Mesopotamia were independent cities constructed around temples and entirely self-contained within mighty perimeter walls.<span> City-states were unified with each other only by their shared use of the Sumerian language. They spent most of their time engaged in conflict over resources.</span>
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The ending of sentences. Sometimes shorter sentences end before others, leaving a gap. They gap can show you where the writing is beginning through the ending of the words used.