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Malini
Questions (4)
where a disease is always present, why are preventitive measures better for the whole population than treatment?
1 answer
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how does an infection disease differ from a deficiency disease?
2 answers
475 views
define the terms (a) Conservation
and (b) Pollution and explain one activity of humans associated with each
2 answers
438 views
Briefly outline how four important social problems may be reduced by the knowledge of biology
5 answers
1,160 views
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home work
yes i did
