A whitish semicircular arc seen opposite the sun in fog. ...
Lava refers both to molten rock expelled by a volcano ...
The Montseny Biosphere Reserve is one of the Pyrenees ...
In volcanology, a lava dome or volcanic dome is a roughly ...
The Nyer Reserve is a constituency of Py and Mantet that ...
Indonesia has the most varieties of Coral Reefs.Its ...
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