Subduction Explains the Fact That the Oldest Oceanic Crust Is

question 29

Multiple Choice

Subduction explains the fact that the oldest oceanic crust is close to 200 million years old, compared to the oldest continental rocks that are ________.

• A) 4.4 million years old
• B) 140 million years old
• C) 1.4 billion years old
• D) 4.4 billion years old
• E) 14.4 billion years old

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