"The Sperm's Long Journey. A man may ejaculate 40 million to 150 million sperm, which start swimming upstream toward the fallopian tubes on their mission to fertilize an egg. Fast-swimming sperm can reach the egg in a half an hour, while others may take days. The sperm can live up to 48-72 hours."
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Answer:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere
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Explanation:
If the solids were not remelted by impact as they collected to form the planet, the volatiles they carried would have been incorporated in the solid planet.
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Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.