Trivia questions and answers, drawn fresh from the well

• Easy Easy difficulty.
• Flags Of Oceania

Which flag appears in the canton of Australia's national flag?

Answer

Union Jack

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• Intermediate Intermediate difficulty.
• Deepest Oceans

Calypso Deep, the deepest point of the Mediterranean Sea, lies in which submarine trench?

Answer

Hellenic Trench

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• Hard Hard difficulty.
• Deepest Oceans

Which deep in the South Sandwich Trench was surveyed by the German Meteor expedition?

Answer

Meteor Deep

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• Hard Hard difficulty.
• Deepest Oceans

Factorian Deep is named after which crewed submersible?

Answer

DSV Limiting Factor

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• Hard Hard difficulty.
• Deepest Oceans

The deepest fish ever recorded on camera was filmed in which trench in 2022?

Answer

Izu–Ogasawara Trench

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• Intermediate Intermediate difficulty.
• Deepest Oceans

At what depth was Pseudoliparis swirei captured, a possible seafloor fish record?

Answer

7,966 m

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• Intermediate Intermediate difficulty.
• Deepest Oceans

What is the scientific name of the Mariana snailfish?

Answer

Pseudoliparis swirei

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• Intermediate Intermediate difficulty.
• Deepest Oceans

Which Japanese ROV first sampled mud from the bottom of Challenger Deep?

Answer

Kaikō

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• Intermediate Intermediate difficulty.
• Deepest Oceans

Which Chinese crewed submersible reached Challenger Deep in November 2020?

Answer

Fendouzhe

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• Intermediate Intermediate difficulty.
• Deepest Oceans

Which former astronaut became the first woman to reach Challenger Deep?

Answer

Kathryn Sullivan

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• Intermediate Intermediate difficulty.
• Deepest Oceans

What depth did a 2021 study give for Challenger Deep, within ±6 m?

Answer

10,935 m

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• Intermediate Intermediate difficulty.
• Deepest Oceans

Milwaukee Deep is named after which U.S. Navy cruiser?

Answer

USS Milwaukee

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