Wednesday, April 10, 2019

Thursday big quiz based on bacteria virus worksheet (also friday videos)

https://www.facebook.com/itsokaytobesmartpbs/videos/why-vaccines-work/2367895250146148/ https://www.youtube.com/watch?v=rb7TVW77ZCs https://www.youtube.com/watch?v=wqbH40Y9XJw
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