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On the average,about how long does Earth's magnetic field point in one general direction before flipping to reverse its direction?
Q37: How is the mass of Jupiter determined?<br>A)
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Q258: What are neap tides?<br>A) high tides that
Q290: Why does the temperature in the stratosphere
Q312: The four fundamental forces in nature include
Q355: How does the number of impact craters
Q414: The Moon,because of the tides in Earth's
Q551: Auroral displays are MOST often seen:<br>A) at
Q590: The idea of continental drift,as proposed by