Can you see the difference between Amy's clean hands and Harry's dirty hands?
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Can you see the difference between Amy's clean hands and Harry's dirty hands?. What is causing Amy's sore throat?. Can you guess why Harry is so out of breath after playing football?. Harry caught a tummy bug at a BBQ. Do you know why?. Do you know what is causing - PowerPoint PPT Presentation
Transcript of Can you see the difference between Amy's clean hands and Harry's dirty hands?
