Which nation was the first to launch a satellite into Mars orbit? MCQ with Answer and Explanation

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Which nation was the first to launch a satellite into Mars orbit?

A. India

B. United States

C. European Space Agency

D. Soviet Union

Answer: Option D

Solution (By JKSSB Mock Tests)

The Soviet Union's Mars 2 became the first human-made object to orbit Mars in 1971.

This question belongs to: Static General Knowledge First in the World

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Correct Answer: Option B

Explanation:
Yokoi designed it for Nintendo.

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Who was the first person to develop a workable theory of entropy?

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Explanation:
Clausius introduced the concept of entropy in 1865.

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