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Biology, 03.03.2021 22:20, grantjaylynn
HELP ASAR Why are individuals in many developing countries susceptible to diseases such as polio and pertussis?
A. because of poor hygiene
B. because of genetic variation
C. because of a lack of vaccination
D. because of a lack of education
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Answers: 2
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HELP ASAR Why are individuals in many developing countries susceptible to diseases such as polio and...
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