Answer:
your answer is 21 hours, 36 minutes
Explanation:
Armstrong spent 21 hours, 36 minutes on the moon's surface.
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Answer:
The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. ... When Russia began to mobilize due to its alliance with Serbia, Germany declared war on Russia.
Explanation:
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