Given it’s roughly 4,000 miles to the center of the corner, and according to resources, we’ve (humans) have only gotten about 18 miles deep. So how is it possible we know what’s beneath us?
In: 5
Mainly from seismic waves, but it’s just a very very likely guess, we could be *completely* wrong and inside of earth theres a portal that takes us to another dimension
Although obviously that’s very *unlikely*
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