Is it true that During the 1920s, the radio went from being a little-known novelty to being standard equipment in every American home.

In a citizens elect the president as head of government separate loy from the legislature

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!