Why can a bicycle be considered a device that can convert energy?

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.

“as well as a constitutional human right to associate with whomever you , there should be a corresponding right to disassociate if you .” - lester maddox which statement about lester maddox is best supported by information from the quotation? question 1 options: lester maddox was a segregationist. lester maddox enforced the constitution. lester maddox believed in the freedom to associate. lester maddox supported the 1964 civil rights act.

Most galaxies in the universe are irregular-shaped galaxies. true or false ?