I love singing with others, and the songs and harmonies are fantastic. We laugh such a lot during the sessions, and our choir leader is fab. It’s great singing at events for charity, as well as having social events together.
Magma rises towards the surface of the Earth because it is hotter and lighter than the surrounding rock. It can reach the Earth’s surface through a vent or fissure, when it becomes known as lava. Such an event is known as an extrusion. Due to exposure to air and water it cools quickly and, because of this, the crystals that make it up are usually very small and this is described as fine grained. Sediments are usually deposited in seas and lakes but they can also accumulate in desert environments. They are often deposited in layers known as strata.
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