Water changes from a liquid to a gas in the process of evaporation
t or f?
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How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

The transport tubes for food coming down the plants are 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