Select the correct answer. When an antigen attacks the body, it activates adaptive immunity. This adaptive immunity produces a strong response when it encounters the same antigen for the second time. Which feature of adaptive immunity is essential for this kind of response? A. the ability to remember the antigen it encounters B. the ability to distinguish between self and nonself antigens C. the ability to produce nonspecific antibodies against the foreign antigen D. the ability to secrete lysozymes against pathogenic antigens

a?/

Explanation:

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.