Certain Rock Types Can Be Used to Determine the Locations

question 78

Multiple Choice

Certain rock types can be used to determine the locations of past magnetic poles because ____.

• A) the Earth's magnetic poles have reversed many times during its history
• B) the magnetic poles and geographic poles differ slightly
• C) iron-bearing minerals align themselves in the direction of the current magnetic field when the rock cools below the Curie point
• D) lava flows in Europe all showed that the continent was once located in the southern hemisphere
• E) the north magnetic poles of each continent are identical for each geological period

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