Haploid refers to the presence of a single set of chromosomes in an organism's cells.
Answer: Option B. core samples
Explanation: this is the only option that is not used for locating minerals
Answer : Option D) Fewer people have skin pigmentation lighter than the central peak than people who have pigmentation darker than the central peak.
Explanation : The quantitative variation which is shown for the skin is best explained by option D. Which shows that fewer people have got skin pigmentation which is lighter than the central peak in the graph, compared to the people who have darker pigmentation than the central peak.
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