Four friends argued about why an apple on the ground eventually toys away and disappears. This is what they said:

Acommon kind of mechanical weathering is called

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

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure