Praxis 5511 Practice Question
Which planet is closest to the Sun?
Correct Answer: D
Rationale: Mercury is the closest planet to the Sun, orbiting at an average distance of about 57.91 million kilometers. Its proximity results in extreme temperature variations.
Venus, while often referred to as Earth's twin due to its similar size, is the second planet from the Sun, not the first.
Uranium is not a planet; it is a chemical element and therefore irrelevant to this question.
Neptune, being the eighth planet, is located farthest from the Sun, making it the least relevant option here. Thus, Mercury is the only option that accurately represents the planet closest to the Sun.
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