An additional layer of defense and maintains shape

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

Write the balanced chemical equation forphotosynthesis.

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?