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how does pinocytosis work

Crossing over is a method of (blank)?

4.explain how these geological processes and interactions have changed earth's surface through the years. be sure to use evidence to support your answer • earthquakes • faults • ocean formation • mountains • volcanoes • island chains • seafloor spreading

Sarah and john are having a discussion on genetic diversity sarah believes it happens over a long period of time john believes it happens immediately who is correct