The flow of heat from Earth's interior to the surface is estimated at 47 terawatts<span>(TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of </span>isotopes<span> in the mantle and </span>crust<span>, and the primordial heat left over from the formation of the Earth.</span>
Answer:
Organized/ Orderly context.
Explanation:
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A superpower is a country which is very strong internationally and which exercises its power and influence on the neighboring countries.
Among the options, Greenland has too small population to be a superpower, and Mexico is a developing economy still. Both US and Canada are strong economically, but it's the superpower.
