Biology, 08.10.2019 00:30 pearlvldz

As cold, briny water from the antarctic circulates to the equator, it warms and rises. as it does, this upwelling carries nutrients that produce billion tons of phytoplankton that are eaten by fish and birds. those that are not eaten die, and fall back to the ocean floor, carrying nutrients with them.

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As cold, briny water from the antarctic circulates to the equator, it warms and rises. as it does, t...