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Biology 10 Online
OpenStudy (anonymous):

PLEASE HELP LOOK AT ATTACHMENT

OpenStudy (anonymous):

OpenStudy (anonymous):

i'd say that the answer would be D..but i am not completely sure

OpenStudy (anonymous):

yeah im thinking the same too. but i have to back my answer up with a reason why

OpenStudy (anonymous):

well in my opinion, to prevent the epidemic from spreading,the officials first have to identify the source, so they can take preventive measures to cut off the influence of disease causing agents...

OpenStudy (anonymous):

okay thanks i'll take that in mine

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