Sunlit zone
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Ancient civilizations generally associated illness with evil spirits. They did things like leeching to get the spirts to go away.
Answer:

contains the DNA of the hair
Answer: p2 + 2pq + q2 = 1
p2 = homozygous dominant gene
2pq = heterozygous gene
q2 = homozygous recessive gene
Answer:
D
Explanation:
The item labeled 2 is the cell capsule that protects the cell from engulfment by eukaryotic cell, such as macrophages.