The temperature of the deep interior of Earth is approximately A) 500°C. B) 5000°C. C) 50,000°C. D) 1.5 × 10⁶°C.

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The temperature of the deep interior of Earth is estimated to be around 5000°C. This is based on measurements of the heat content of the Earth and models of how it dissipates heat over time. While the Earth's outer core is thought to be even hotter, the temperature at the very center of the Earth (the inner core) is actually much cooler, at around 5500°C, due to the immense pressure that prevents it from melting.

The Temperature of the Deep Interior of Earth Is Approximately