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overturn The circulation, especially in the fall and spring, of the layers of water in a lake or sea, whereby surface water sinks and mixes with bottom water; it is caused by changes in density differences due to changes in temperature, and is especially common wherever lakes are icebound in winter; limnology (ežerotyra) | |||
negotiability |
cirkuliacija: 4 phrases in 2 subjects |
Economy | 1 |
Environment | 3 |