Natural Science CLEP Prep Practice Exam

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Prepare for the Natural Science CLEP Exam with comprehensive quizzes and multiple choice questions. Each question includes hints and explanations to help you succeed. Ace your exam!

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.