The magma chamber below the Yellowstone caldera. It's located in Yellowstone national park.
The best and most correct answer among the choices provided by the question is the second choice "<span>It provided a sturdy foundation for homes. People had to control where it was deposited to ensure its supply."</span><span>
</span>Unlike Egypt, Mesopotamia<span> was inundated with a large amount of </span>silt<span>. This </span>silt<span> was a constant cause of problems in the man made irrigation systems.</span>
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When earth formed, there was heat formed and it has not yet been lost.