Arizona Cardinals' new head coach buys newly built Valley home for $10M

The article discusses the pros and cons of taking a gap year before or after college. The article is about whether or not taking a gap year is a good idea. The pros are that you can learn more about yourself and the world, and the cons are that you may have a harder time getting back into school.

Three main types of rock exist: igneous (solidified lava or magma), sedimentary and metamorphic. Igneous rock is made of solidified magma or lava. Sedimentary rock is made of pieces of other rocks which have been worn away over time. Metamorphic rock is made of other rocks that are changed by heat and pressure.