Crude oil: Through drilling wells
Coal: Through surface and underground mining
Natural gas: Through hydraulic fracturing
Answer:
23 chromosomes
Unlike all the other cells in a human body which are diploid, human sex cells are haploid. That means that both sperm cells and ova are haploid; containing only 23 chromosomes.
Explanation:
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Uracil is found in RNA and not DNA. DNA instead has thymine
