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Quick note - the problem with Youtube videos not embedding on the forum appears to have been fixed, thanks to ZiprHead. If you do still see problems let me know.
If I understand basic geophysics correctly, the inner parts of the Earth can be divided into the mantle, consisting of rock, and the core, consisting of iron and nickel. The reason that the iron and nickel form the core is simply that they're a lot heavier, so they've sunk the deepest.
What I...
Well apparently quite a lot of people think so.
You may be wondering who the hell Raffaele Bendandi was. The answer is, unsurprisingly, a pseudo-scientist and wooster; he developed his theory ('seismogenesis') which is basically the Moon's gravitational pull on the Earth's crust causes quakes...
This is the James Randi Educational Foundation... so I thought I would give all here a head's up on a lecture series joint-hosted by the Incorporated Research Institutions for Seismology (IRIS) and the Seismological Society of America (SSA). You can obtain more information about the lecturers...
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