test the hand sanitizers on bacterial colonies that are kept in the exact same environmental conditions, such as temperature and light level
Determine by the presence or absence of certain antigens.
Answer:
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<em><u>Every genotypic combination with DD or Dd is classified as Rh Positive (red).</u></em></h3>
Explanation:
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It may be because extra blood rushes to the skin's surface to fight off irritants and encourage healing. Your skin can also become red from exertion, such as after a heart-pounding exercise session.</em></u></h3><h3><u><em>
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This is just an explanation of why there skin might turn red.</em></h3><h3 /><h3>
<u>Hope this helps! </u></h3>
