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    사업설명 Answers about US Navy History and Traditions

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    작성자 Amie
    댓글 0건 조회 19회 작성일 24-08-18 10:50

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    Original answer: I believe that the US Naval Observatory is the official time keeper of the United States.The rest of the story: The USNO is one half of the equ
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    Chemistry



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    What is bouyance?


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    Buoyancy is the ability of an object to float in a liquid or gas. It is determined by the difference in density between the object and the fluid it is in, Mines with
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    Chemistry



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    Why does Pepto-Bismol turn black when you mix it with contaminated water?


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    Pepto-Bismol is made with bismuth subsalicylate, which can react with sulfur compounds present in contaminated water to form bismuth sulfide. This chemical reac
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    Units of Measure



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    Why the sea water is blue?


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    The blue color of sea water is due to the way it absorbs and scatters sunlight. Water molecules absorb red, orange, yellow, and green light waves more strongly,
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    Science



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    Polution effect on sky color?


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    Air pollution can cause the sky to appear more gray or hazy by scattering sunlight and reducing visibility. Pollutants like particulate matter and nitrogen oxid
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    Chemistry



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    Why do starfish filter the sea water?


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    Starfish filter sea water to extract nutrients and oxygen. They use their tube feet and specialized structures called podia to create water currents that bring
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    Global Positioning Systems (GPS)



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    What is slot working mechanism in railway control panel and how is it useful to the station master?


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    In railway control panels, the slot working mechanism is a method of assigning specific time slots for trains to pass through a particular section of the track.
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    Units of Measure



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    Why is sea in color blue?


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    The ocean appears blue because water absorbs colors in the red part of the light spectrum, making the blue light that is reflected dominate our perception of it
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    War and Military History



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    Is ironclad ship supposed to be capitalized?


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    Ironclad ship is not required to be capitalized unless it is at the beginning of a sentence or part of a title.

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