Extraterrestrial life forms are referred to as aliens. It is widely believed that silicon and ammonia could provide a basis for extraterrestrial life. Silicon-based Life: Many scientists do not accept the argument of silicon-based life.Both carbon and silicon form long chains of polymers.Carbon can form methane whereas silicon can form silane.mmonia-based Life: An ammonia solution could cause numerous chemical reactions and liquid ammonia is said to have chemical similarities with water. Ammonia not only dissolves organic molecules but also elemental metals.
Definition of 'reprimand'. reprimand (reprÉªmÉËnd , -mÃ¦nd) If someone is reprimanded, they are spoken to angrily or seriously for doing something wrong, usually by a person in authority. He was reprimanded by a teacher for talking in the corridor. Her attempts to reprimand him were quickly shouted down.
A letter of reprimand is a United States Department of Defense procedure involving a letter to an employee or soldier from his or her superior that details the wrongful actions of the person and the punishment that can be expected. A Formal Letter of Reprimand is one in which a copy of the letter is kept on record. In military contexts, a formal letter of reprimand can be career ending, even without prescribed punishments, because it makes it difficult to secure advancements in rank or to enjoy the respect of one's peers. In legal contexts, a letter of reprimand is sometimes called a letter of admonition.