Sound on to hear what a blue whale sounds like filling her lungs before vanishing back into the depths with her calf. Breath is something many of us take for granted, often not realizing that between 50 to 80% of Earth’s oxygen comes the ocean— specifically from phytoplankton, marine plant life, and algae. Great cetaceans like blue whales play a key role in supporting these invaluable ecosystems, providing critical nutrients through their excrement across the water column throughout their vast m

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