Will a sprint or marathon runner benefit more from taking creatine and why?

In the water cycle , when does water undergo a chemical change

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen