Diffusion.
diffusion acts passively, and the oxygen and carbon dioxide move to the area of lower concentration
Answer:
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According to the NAEYC D. KINDERGARTENERS...... I hope this helps you! : )
I think it's cardiovascular, sickle cell I think you have to be born with, and celiac is an allergy to gluten
The date at which food/ product shouldn’t be used after the date given on the label
