Which of the following best completes this excerpt? a)equal pay b)own property c)a public education d)vote

What percentage of roads in germany have no speed limit?

Marcy tests a solution with a strip of blue litmus paper. the paper turns red. the solution is acidic basic neutral

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.