Questões de Inglês - Listening/Speaking
Questão 31 129082UENP 2016/1
Why Is the Ocean Salty?
How is it that we didn’t know why the ocean was salty until 1979? National Geographic Explorer-in-Residence Bob Ballard explains why such a basic question remained a mystery for so long – and where his team finally found the answer.
(National Geographic. Disponível em: <http://video.nationalgeographic.com>. Acesso em: 28 set. 2015.)
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