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Hipervinculo Biología
In this study we will determine which method of hand cleansing is the most effective. Three methods of cleansing will be tested: plain hand soap and water, anti-bacterial soap and water, anti-bacteria ...
Hipervinculo Biología
This experiment will show young children that germs are real, and that steps can be taken to minimize the number of germs on their hands.It is an educational content by education.com.By clicking on th ...
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