Local and Global Pressures Threaten Coral Reefs
4:23
Added: 5 months ago
From: VOALearningEnglish
Views: 59,052
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  • what happened with frogs?

    Lenskiy2 1 month ago

  • I realized the importance of coral reefs' problem. People around the world should think seriously this problem. We have to grope for a solution, devise meams. And we human beings ought to make the world better.

    seismology0117 5 months ago

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