2.5 centimeters per year · All Facts

2.5 centimeters per year
The Mid-Atlantic Ridge spreads at about 2.5 centimeters per year — roughly the rate human fingernails grow.
SrcUSGS — This Dynamic Earth

Next evidence →more fish biomass than the rest of the ocean combinedThe ocean twilight zone (200–1,000 m) may hold more fish biomass than the rest of the ocean combined.

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more fish biomass than the rest of the ocean combinedThe ocean twilight zone (200–1,000 m) may hold more fish biomass than the rest of the ocean combined.
just larger than its beakAn octopus's only hard part is its beak — so it can squeeze through any opening just larger than its beak.
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