Eventually, free oxygen got into the atmosphere or air, making Earth's surface suitable for aerobic life (see Great Oxygenation Event). This oxygen also formed the ozone layer which protects life from ultraviolet radiation from the Sun. Complex life on the surface of the land did not exist before the ozone layer.
K-Pop (or Korean pop or Korean popular music) is a musical genre and industry using a mix of electronic, hip hop, pop, rock, R&B, and other music.It began in South Korea.As well as music, K-pop has grown into a popular subculture among teenagers and young adults throughout Asia.
Most games require multiple players. However, single-player games are unique in respect to the type of challenges a player faces. Unlike a game with multiple players competing with or against each other to reach the game's goal, a one-player game is a battle solely against an element of the environment (an artificial opponent), against one's own skills, against time, or against chance.
Aesop (/ ˈ iː s ɒ p / EE-sop or / ˈ eɪ s ɒ p / AY-sop; Greek: Αἴσωπος, Aísōpos; c. 620–564 BCE) was a Greek fabulist and storyteller credited with a number of fables now collectively known as Aesop's Fables.