In an experiment, the independent variable

Government run farms are known as a. pastoral b. collectives c. irrigation d. dalits

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.

The long english tradition of figured prominently in the founding fathers' discussion of the ownership of firearms. a) police squads b) target practice c) aristocratic rifle associations d) militias