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 a depositional mountain landform built up by the emission of hardened lava through a vent. The lava comes from a magma chamber deep underground. As the layers of hardened lava build up, the lava pours out from a crater at the top of the volcanic cone. 8.3-5 Name the three main types of volcanic emissions. Briefly describe or list the most common forms of each type.