A cracked egg on land might make a big mess, but when you are deep underwater, their is enough pressure to keep the inner parts of an egg intact, as pressure on the egg is 2.8 times the atmospheric pressure, and it holds the albumen and yolk all together.
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Pressure increases the deeper you dive and the egg under deep water looks like a crazy jellyfish. If u bring the egg back to the surface, it will be still safe to eat. Although, it might be a bit salty in taste.
Credit: Google.com
