Review your diving skills before your next dive vacation and take the online Scuba Review Quiz to review your diving knowledge. After the Scuba Review Quiz find an instructor near you to complete a confined water scuba skills refresher.
(two from Osaka), Okinawa is Japan's version of a tropical paradise. It's the country's southern-most prefecture and has a history and culture quite different to that of the mainland. A wonderful holiday destination at just about any time of year, it's also got the best scuba diving ...
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Britannica Quiz Biology Bonanza Late in the 19th century, the focus began to shift from collecting and cataloging to the systematic analysis ofmarine ecosystemsand the ecological roles and behaviour of marine life. By the early 20th century, oceanographers had begun to intensively study fishing groun...