For 34 consecutive quarters, HSS has scored in the 99th percentile on âLikelihood to Recommendâ â a key indicator of customer satisfaction in many industries â when compared to similar hospitals in the Press Ganey database. HSS patients come from all 50 states and more than 100 countries.
Let's review. Volcanoes are vents in the earth's crust through which lava, rock fragments, hot vapor and gases are ejected. There are different types of volcanoes based on their size, shape, composition and eruptive style. Composite cone volcanoes are cone-shaped volcanoes composed of layers of lava, ash and rock debris.
Basalt, cider, Obsidian, foamed obsidian & others are types of ingeous rock, Volcanic Rock. Liquid rock is not always called lava. When the liquid rock is still underground it is called magma. The differences between magma and lava is basically made to make geological occurrences easier to understand and explain. A volcano erupts when there is sufficient pressure underground from magma that contains gas bubbles.