Natural Science CLEP Prep Practice Exam

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Prepare for the CLEP Natural Science Exam with our comprehensive study materials and practice questions. Test your knowledge and ace the exam by mastering key concepts.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What is the most abundant metal on Earth?

Aluminum
Iron
Iron
Copper

The correct answer is: Aluminum

Aluminum is the correct answer because it comprises approximately 8% of the Earth's crust, making it the most abundant metal. Iron, while present in large quantities, makes up only about 5% of the Earth's crust. Copper, while also abundant, is not as prevalent as aluminum. Therefore, A is the most accurate and abundant metal on Earth.