I need people to talk to all friend welcome and other bored and lonely ppl

Which institution includes radio televisions and movies

What period of history refers to the time when people did not have written records

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.