20 Biggest Questions in Science

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15. What’s at the bottom of the ocean?

About 71% of the earth is water of which 96% is ocean. And we have only explored about 5% of it. It’s extremely hard to getting to anywhere close to the bottom of the ocean so much so that we have resorted to send unmanned machines to explore but even then we’ve barely made a dent in the knowledge of the sea world.

30 Funniest Science Jokes, Puns, and Humor Quotes Ever

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