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the claim

The ocean has a bottom, reaching nearly 11,000 metres deep at Challenger Deep in the Mariana Trench.

the verdict
INSUFFICIENT LEANING
Recorded sources
10 sources for · 0 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 ocean has a bottom, reaching nearly 11,000 metres deep at Challenger Deep in the Mariana Trench?

Unclear. Multiple sources confirm the ocean has a bottom at Challenger Deep in the Mariana Trench, with depths reported around 10,131 to 10,898 metres and some describing it as almost 11,000 metres. No single source fully settles the claim's exact 'nearly 11,000 metres' figure.

Verdict: PARTIAL LEAN · 10 sources for, 0 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 · 10
Challenger Deep
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Challenger Deep. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Challenger_Deep

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More for · 9
Mariana Trench
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Mariana Trench. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Mariana_Trench

Extremely Barophilic Bacteria Isolated from the Mariana Trench, Challenger Deep, at a Depth of 11,000 Meters
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Extremely Barophilic Bacteria Isolated from the Mariana Trench, Challenger Deep, at a Depth of 11,000 Meters. (n.d.). cir.nii.ac.jp. https://doi.org/10.1128/aem.64.4.1510-1513.1998

Physical and Mechanical Properties of Deep Oceanic Sediments Cored from the Bottom of Challenger Deep, Mariana Trench
2021
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Dai, X., Xu, T., & Chen, J. (2021). Physical and Mechanical Properties of Deep Oceanic Sediments Cored from the Bottom of Challenger Deep, Mariana Trench. doi.org. https://doi.org/10.1155/2021/9109132

Did humans see fish at the bottom of the world's deepest trench, the Mariana trench?
2011
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Did humans see fish at the bottom of the world's deepest trench, the Mariana trench?. (2011). skeptics.stackexchange.com. https://skeptics.stackexchange.com/questions/6046/did-humans-see-fish-at-the-bottom-of-the-worlds-deepest-trench-the-mariana-tre

Sediment Sampling at a Depth of 10,131m in the Challenger Deep by ROV Kaiko
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Sediment Sampling at a Depth of 10,131m in the Challenger Deep by ROV Kaiko. (n.d.). cir.nii.ac.jp. https://doi.org/10.1109/oceanse.2007.4302339

High rates of microbial carbon turnover in sediments in the deepest oceanic trench on Earth
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High rates of microbial carbon turnover in sediments in the deepest oceanic trench on Earth. (n.d.). cir.nii.ac.jp. https://doi.org/10.1038/ngeo1773

Colour Palettes for Digital Elevation Models
2024
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Colour Palettes for Digital Elevation Models. (2024). hal.science. https://doi.org/10.5281/zenodo.10530295

Distinctive signatures of pathogenic and antibiotic resistant potentials in the hadal microbiome
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Distinctive signatures of pathogenic and antibiotic resistant potentials in the hadal microbiome. (n.d.). cir.nii.ac.jp. https://doi.org/10.1186/s40793-022-00413-5

The ABISMO Mud and Water Sampling ROV for Surveys at 11,000 m Depth
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The ABISMO Mud and Water Sampling ROV for Surveys at 11,000 m Depth. (n.d.). cir.nii.ac.jp. https://doi.org/10.4031/mtsj.43.5.31

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