Answer: the sun, because it is its own star in the solar system. it is not a feature of the earth. meanwhile the geyser, core, and mantle are all things found in/on the earth. hope this helped!
They excerpt shows details because it over describes the situation that he is in
Answer:
The key concept for our discussion here is that the accelerating expansion of the universe is an innate property of spacetime itself on scales where spacetime no longer acts like traditional gravity. In summary, the influence of gravity only extends to the edge of each gravity group. Beyond that, spacetime no longer behaves like gravity.
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