The deeper we go underground, the hotter it gets. For every 1km you go down the temperature rises by 35 degrees Celsius.
Have you ever been curious why it that? Then wonder no more! Sure, we all know that the Earth’s core is hot, but the answer is a little more complex than that.
SEE ALSO: Journey to the center of the Earth
Emily Elert from YouTube channel MinuteEarth explains why Earth is hot underground in today’s video.
Why Is It Hot Underground?
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