The answer is D. their study of human anatomy.
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Yes, it is true that electrons in an excited state are more likely to enter into chemical reactions, since this state means that they have more energy, and are further away from the nucleus.
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Hello, the best answer is <u>B, a video broadcast of a moon landing </u>
Explanation:
Based on the details provided, the video broadcast would be the most reasonable choice, it was recorded during the actual occurrence of an event (in this case, a moon landing), so it can be considered a primary/original source.
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