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 element do all living things depend on for growth and survival?

Oxygen
Carbon
Hydrogen
Nitrogen

The correct answer is: Carbon

All living things require carbon for growth and survival. Carbon is the basis of organic molecules, such as carbohydrates, lipids, proteins, and nucleic acids, which are essential for life processes like metabolism and growth. Oxygen is also crucial for survival, but not all living things require oxygen for growth. Hydrogen and nitrogen are important elements in living organisms, but they do not play the same central role as carbon does. Hence, they are not the correct answer to this question.