6. How can people who have limited animal protein resources get enough protein into their diets?

Which experiment would most likely contain experimental bias ?

Match the types of competition to their descriptions

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.