Regarding the magna carta, which statement is false?

a. the meeting of the english barons and king john occurred at runnymede.
b. the document required trial by a jury of one's peers.
c. king john was forced to sign the document.
d. the document assured all english citizens freedom of speech

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.