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Answer:
</h2><h3>The correct answer is option C.
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Explanation:
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From the following question, the third option is right, because when the shining light create a horizontal beam over the spacecraft, the observer who is on the earth would see that light in the same way at the time spacecraft is at rest and when observer in the spacecraft at the time spacecraft is at rest.
So this is the correct answer.
the correct answer is the first one. density = mass / volume.
i hope this helped!
The answer you are looking for is the <span>hypothalamus</span>