API Gravity: An arbitrary scale expressing the gravity or density of liquid petroleum products. The measuring scale is calibrated in terms of degrees API; it is calculated as follows: Degrees API = (141.5 / (sp. gr. 60ÂºF / 60ÂºF)) - 131.5 The higher the API gravity, the lighter the compound.
| Filed Under: Firsts 1 Comment. The now famous character Mario was created by Shigeru Miyamoto and has appeared in over 200 video games. Marioâs first appearance was in Donkey Kong (ãã³ã­ã¼ã³ã³ã°) in 1981, which is another iconic arcade game developed by Nintendo. In Donkey Kong, Mario was known as âJumpmanâ the carpenter. In later games, Mario is depicted as a short Italian plumber.
it came out in 1988 Actually, Mario first appeared in Donkey Kong, back in 1981, where he was known as Jumpman. The first game to star both Mario and Luigi was Mario Bros. â¦ back in 1983.