What is dissolved oxygen, and why is it necessary for underwater life to survive?

What is dissolved oxygen? Laura Fabian from the Maryland Department of Natural Resources (DNR) explains why oxygen is so important to underwater life and how it is used to measure water quality in the Chesapeake Bay.

  • Produced by Matt Rath
  • Music/Audio: "A Moment of Jazz" by Ancelin

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September 19, 2019


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