تعلیمے مفت ات یېت سرچښمه یېن افغانستان ارد

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Spreading Germs

     
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This is a simple activity which demonstrates how, and how quickly germs spread from person to person.


About this resource
Available in the following languages
Subject area
Health Sciences Biology
نڤشیج

چاپگهر

Can Teach

لسئنس

CC 0 / public domain

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