If the ease of oxygen pickup depends on oxygen concentration, would respiration be easier in air or in water?

The distribution of related animals and plants across the world

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

The area of shoreline that is ultimately exposed and submerged is the