Which type of wetland includes a mixture of salt water and fresh water?

Which blood cell spend most of their time in the lymphatic system?

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

Creating new things to solve problems and improve life depends on the close interaction of which two fields?