Answer:
Your answer is B). Massive stars undergo a supernova at the red giant phase.
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Answer: The offspring contain one one set of chromosome from the mother and one from the father.
Explanation: During sexual reproduction, when the egg and sperm meet, the sperm contains 23 chromosomes and the egg also contains 23 chromosomes. Together the chromosomes combine, accounting for the genetic information in the offspring.
Chemical Weathering<span> results from chemical reactions between minerals in rocks and external agents like air or water. Oxygen oxidizes minerals to alteration products whereas water can convert minerals to clays or dissolve minerals completely. is that what your asking?</span>
Halley's Comet is the most well-known comet. It's a "periodic" comet that comes close to Earth once in 75 years, allowing a person to see it twice in his or her lifetime. It was last seen on Earth in 1986, and it is expected to appear in the year 2061.
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