Answer:
Andrea will study how many species in the area have gone extinct or endangered.
Explanation:
Dysentery is a bacterial infection caused by an unusual strain of E. Coli, a common bacterium in the large intestine. It is a type of gastroenteritis that results in diarrhea with blood. Dysentery, the infectious disease it's far defined as diarrhea in which there is blood, pus, and mucous, normally accompanied with the aid of abdominal ache.
The name given to a group of similar cells that perform a special function together is tissue.
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I am sure that it is not a or b and pretty sure that it isn't d so it is c