Potassium balances the effects of sodium and helps keep fluid levels within a certain range. Your body should maintain a specific amount of potassium in the blood, ranging from 3.6 to 5.2 millimoles per liter (mmol/L).
Mythology and Prophecy. The word 'volcano' comes from the little island of Vulcano in the Mediterranean Sea off Sicily. Centuries ago, the people living in this area believed that Vulcano was the chimney of the forge of Vulcan-the blacksmith of the Roman gods.
A volcano is formed when hot molten rock, ash and gases escape from an opening in the Earthâs surface. The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here.As a volcano erupts, it spills lava that flows downslope.he name volcano comes from Vulcan, the Roman god of fire! A volcano is formed when hot molten rock, ash and gases escape from an opening in the Earthâs surface. The molten rock and ash solidify as they cool, forming the distinctive volcano shape shown here. As a volcano erupts, it spills lava that flows downslope.