MCHH 305: Fifth Ocean
Marine Conservation Happy Hour
English - July 27, 2021 04:00 - 9 minutes - 8.52 MB - ★★★★★ - 26 ratingsNature Science Natural Sciences dolphins environment marineconservation blue conservation happyhour marine marinebiology marinemammals marinescience Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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How many oceans do we have on Earth? In other words, what exactly is the defition of an "ocean"- where do you draw the lines on a map? Since the 80s, we've been taught that there are 4 oceans on our planet, but mapmakers are now officially recognizing the Southern Ocean as one of 5 oceans on Earth.
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