Earth’s Last Frontier: Research in the Deep Seas

5-9 ┊ 3457 words ┊ ◄))









5-9, 3457 words, 29 minutes audio time.

Oceans cover most of Earth. In some places the ocean is 7 miles deep! How do scientists explore the deepest places on the planet? What have they found on the sea floor? Learn about the creatures of the deep seas, the machines used in exploration, and important shipwreck discoveries.

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