What is the half life of carbon 14? how can this information be used by scientists

An example of what is geese flying south for the

Which law represents a balanced chemical equation?

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs