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What is the saltiest ocean in the world?

What are the 2 coldest oceans?

What is the pressure at a depth of 10 km?

How much pressure can the human body withstand underwater?

What is the largest sea creature?

What is the deadliest marine animal?

What’s wrong with the ocean today?

What is the biggest ocean pollution problem?

What is the dirtiest ocean in the world?

What is the longest river in France?

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