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the claim

The average depth of the ocean is about 12,000 feet.

the verdict
CONTESTED
the evidence cuts both ways
Recorded sources
2 sources for · 2 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that the average depth of the ocean is about 12,000 feet?

Partly. Old reference works state the ocean's average depth is about 12,000 feet, while two modern scientific sources give roughly 3,800 m (about 12,470 ft), a figure that conflicts with the 12,000-foot value.

Verdict: CONTESTED · 2 sources for, 2 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 2
1899
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1846-1914, H. E. S. (1899). Elementary astronomy; a beginner's text-book. archive.org. https://archive.org/details/elementaryastro00holdgoog

Evidence against · 2
1994
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D., G. (1994). Ocean disposal of CO2: A current assessment of feasibility, cost, and effects. inis.iaea.org. https://inis.iaea.org/records/25b75-c0j15

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More for · 1
1960
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Grolier (1960). The Book of knowledge; the children's encyclopedia. archive.org. https://archive.org/details/bookofknowledgec00newy

More against · 1
2019
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Ferrer, M., Méndez-García, C., Bargiela, R., Chow, J., Alonso, S., García-Moyano, A., Bjerga, G. E. K., Steen, I. H., Schwabe, T., Blom, C., Vester, J., Weckbecker, A., Shahgaldian, P., Carvalho, C. C. C. R. d., Meskys, R., Zanaroli, G., Glöckner, F. O., Fernández-Guerra, A., Thambisetty, S., & Calle, F. d. l. (2019). Decoding the ocean's microbiological secrets for marine enzyme biodiscovery.. doi.org. https://doi.org/10.1093/femsle/fny285

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