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spreading ridges (Geography Dictionary)

spreading ridges : Places on the ocean floor where lithospheric plates separate and magma erupts. About 80 percent of the Earth’s volcanic activity occurs on the ocean floor

👇​ ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖


👇​ ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖

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