Mount Etna is an active stratovolcano on the east coast of ...
Volcanic cones are among the simplest volcanic formations. ...
Mauna Loa is one of five volcanoes that form the Island of ...
Magma (from Greek μάγμα "mixture") is a mixture ...
Slowly falling precipitation in the form of tiny water ...
Torf kokosowy (lub inny torf włóknisty) stosowany jest jako ...
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