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12. Some engine blocks are made of _______, but its high cost prohibits use in average-priced vehicles. A. cast iron B. aluminum C. magnesium alloy D. hydrocarbon

User Ocespedes
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2 Answers

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The answer is, according to the internet, some of the engine blocks are made of magnesium alloy but its high cost prohibits use in average-priced vehicles. The answer is C. Magnesium alloy.
User Quodlibetor
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I think the answer is C. Magnesium alloy
User Nameless One
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