Which type of plate boundary is most closely associated with the formation of new ocean floor? hot spot convergent divergent transform Request Answer Part B Which of the following statements about Earth's magnetic field is most accurate? Earth's magnetic field switches polarity at irregular time intervals. Earth's magnetic field does not switch polarity. Earth's magnetic field switches polarity at regular time intervals. Earth does not have a regular magnetic field. Request Answer Part C How often does the Earth's magnetic field switch polarity? every 10,000 to 100,000 years every 500,000 years every 100,000 to several million years every 10,000 to 50,000 years Request Answer Part D How are normal polarity and reverse polarity of Earth's magnetic field different? A compass points toward the South Pole during normal polarity and to the North Pole during reverse polarity. A compass points toward the North Pole during normal polarity and to the equator during reverse polarity. A compass points toward the South Pole during normal polarity and to the equator during reverse polarity. A compass points toward the North Pole during normal polarity and to the South Pole during reverse polarity. Request Answer Part E In general, what is our best evidence that