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Chromosomes can exchange genetic information during a process called "crossing over." This occurs when homologous chromosomes are lined up in pairs. This recombination of maternal and paternal genetic material is a key feature of meiosis.
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B, (layer C is the youngest layer) :)
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Physical, Earth, and Life science are 3 common scientific researches
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~Emilie Greene
Answer: A urban heat island is an urban area or metropolitan area that is significantly warmer that it's surroundings rural areas due to human activities.
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