Answers about Authors, Poets, and Playwrights > 고객센터

Titania, the largest moon of Uranus, does not technically "sleep" as it is an inanimate object in space. However, in terms of its position in orbit ar
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Authors, Poets, and Playwrights








What is more dangerous fluoroscopy or radiography?

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Fluoroscopy is generally considered more dangerous than radiography because it involves real-time imaging that exposes patients and barely legal medical staff to higher dose
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Authors, Poets, and Playwrights








Why is a mercury blub necessary for fluorescence microscopy?

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A mercury bulb is necessary for fluorescence microscopy because it emits ultraviolet light, which is used to excite fluorescent molecules in the sample. When th
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Inventions



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Why did William Cullen invent the refrigerator?

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William Cullen did not invent the refrigerator. The first practical refrigerator was invented by Oliver Evans in 1805. Refrigerators were developed to preserve
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Authors, Poets, and Playwrights



+1








The powers of the presidency can be divided into two main categories expressed and?

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The powers of the presidency can be divided into two main categories: expressed powers, which are specifically outlined in the U.S. Constitution, and implied po
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Authors, Poets, and Playwrights








In the Confucian model of ethics the emphasis is on maintaining harmony?

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true