<span>By producing melanin (pigment), the skin protects the underlying structures from ultraviolet light's harmful rays while producing vitamin D, which works with calcium for multiple body processes.
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Vitamin D is produced by the skin when it is exposed to the sunlight. Ultraviolet B (UVB) is the part of the sun's rays that affects the skin to produce such vitamin.
Answer:
Just took this - it is: by observing cellular respiration under the absence of light.
Explanation:
haploid sex cells have only 23 chromosomes in humans, so when they join, they create one cell that has the full 46 chromosomes.
Blood type A.... because A alleles are dominant whereas O alleles are recessive. Hence, A alleles will express themselves more causing the blood type of the individual to be blood type A.
