Special | 28m 48s
Oceans are salty bodies of water that cover 70% of the Earth. Oceans contain many different ecosystems. Some of the Earth’s largest and smallest creatures live in the ocean. Yet people have only explored about 5% of the Earth’s oceans. On this Science Trek, host Joan Cartan-Hansen and her guest scientists will answer students’ questions about the oceans.
Aired: 05/16/16Video has closed captioning.
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Major Funding Provided by the Laura Moore Cunningham Foundation