What is the name of the super continent formed 335 million years ago?

What protects the lining of the stomach from acidic gastric juices?

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

Which statement best compares aerobic and anaerobic respiration