100,000 aphids can live on one rosebush. Which type of diagram would best represent this relationship?
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Explanation:
The magnetic lines of force of the earth emerge from the south pole and end at the north pole. It shows that the direction of the magnetic field is from north pole to south pole.
The magnetic lines of force are imaginary lines that never cross with each other. The lines are crowded at the poles and lines are spare at the equator. It always in one direction.
The intensity of the magnetic force depends on the number of magnetic lines at that position.
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