1) Elvis Presley, often referred to as the "King of Rock and Roll," has sold over one billion records worldwide.

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

3) Ryan Reynolds is a Canadian actor, producer, and entrepreneur known for his roles in films such as "Deadpool," "The Proposal," and "Detective Pikachu." He has gained recognition for his comedic timing and charismatic performances on-screen.

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