As Compared to Ultramafic Rocks,mafic Rocks Have a ________

question 50

Multiple Choice

As compared to ultramafic rocks,mafic rocks have a ________.

• A)greater proportion of silica
• B)lesser proportion of silica
• C)greater proportion of iron and magnesium atoms
• D)greater density

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Definitions:

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A Chinese mariner, explorer, diplomat, and fleet admiral during China's early Ming Dynasty, who led expeditions throughout Southeast Asia, South Asia, the Middle East, and East Africa from 1405 to 1433.

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