Although the model is structural and makes reference to an apparatus, the id, ego and super-ego are purely psychological concepts and do not correspond to (somatic) structures of the brain such as the kind dealt with by neuroscience.
it takes a thousand million to make a billion, so 1,000,000 = 1 million 1,000,000,000 = 1 billion divide 142.98 by 1000= .14298 usually only convert if you have a thousand or â¦more millions. for instance, the US population is 300 million, or .3 billion. but nobody says that.
Previously in British English (but not in American English), the word billion referred to a million millions (1,000,000,000,000). However, this is no longer common, and the word has been used to mean one thousand million (1,000,000,000) for some time.