1) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

2) In Aztec mythology, the god Quetzalcoatl is associated with the planet Venus, which was seen as a celestial embodiment of his power. His connection to Venus also ties into his association with fertility, renewal, and the cycles of life, as Venus is associated with beauty, love, and abundance.

3) The Federal Reserve System, often referred to as the Fed, is the central banking system of the United States.

4) Mountains are formed through various geological processes, including tectonic plate movements, volcanic activity, and erosion.