Solar energy can be used and so can hydroelectricity
The skin on the palmar surface of the hands and feet forms ridges, so-called papillary ridges, in patterns that are unique to each individual and which do not change over time. Even identical twins (who share their DNA) do not have identical fingerprints.
Answer:
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Explanation:
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Hair and nails are part<span> of the integumentary </span>system<span>.</span>
