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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

NatureOne small ahaOcean concept

Warming seawater's expansion and melting land ice are major drivers of this increase in the ocean's average height.

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Your new ahaSea Level Rise

Sea Level Rise: A gradual increase in the average level of the world's oceans. Source: Sea level rise

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More from The Blue Planet

A few more worth knowing.

  1. 22This term describes the variety of life in the seas, from microbes to whales.RECALL
    Marine Biodiversity

    Marine biodiversity's vast variety of ocean life remains largely undiscovered, especially in the deep sea.

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  2. 23These long waves can be generated by sudden seabed displacement and travel rapidly across ocean basins.RECALL
    Tsunamis

    Tsunamis, often triggered by undersea earthquakes, can race across an entire ocean basin at high speed.

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  3. 24These coastal waters mix river freshwater with seawater.RECALL
    Estuaries

    Estuaries, where rivers meet the sea, rank among the most biologically productive environments on Earth.

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