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 phenomenon causes Earth's temperature to remain steady?

The Greenhouse Effect
The Rising Sun
Plate Tectonics
The Jet Stream

The correct answer is: The Greenhouse Effect

The phenomenon that causes Earth's temperature to remain steady is the greenhouse effect. This is because Earth's atmosphere absorbs and traps heat energy from the sun, keeping our planet at a habitable temperature for living organisms. The other options, such as the rising sun, plate tectonics, and the jet stream, do not directly contribute to the regulation of Earth's temperature. The rising sun provides heat but does not regulate it, plate tectonics affect the Earth's geography but not the atmosphere, and the jet stream is a wind pattern that affects weather but not temperature regulation. Therefore, the greenhouse effect is the most accurate and relevant answer to the question.