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
+1
What is bouyance?
Asked by Wiki User
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, with
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Chemistry
+3
Why does Pepto-Bismol turn black when you mix it with contaminated water?
Asked by Wiki User
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
+3
Why the sea water is blue?
Asked by Wiki User
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,
Read more
Science
+3
Polution effect on sky color?
Asked by Wiki User
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
Read more
Chemistry
+3
Why do starfish filter the sea water?
Asked by Wiki User
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
Read more
Global Positioning Systems (GPS)
+3
What is slot working mechanism in railway control panel and how is it useful to the station master?
Asked by Saineeru
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
+3
Why is sea in color blue?
Asked by Wiki User
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
+2
Is ironclad ship supposed to be capitalized?
Asked by Wiki User
Ironclad ship is not required to be capitalized unless it is at the beginning of a sentence or part of a title.
Read more
Chemistry
+1
What is bouyance?
Asked by Wiki User
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, with
Read more
Chemistry
+3
Why does Pepto-Bismol turn black when you mix it with contaminated water?
Asked by Wiki User
Pepto-Bismol is made with bismuth subsalicylate, which can react with sulfur compounds present in contaminated water to form bismuth sulfide. This chemical reac
Read more
Units of Measure
+3
Why the sea water is blue?
Asked by Wiki User
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,
Read more
Science
+3
Polution effect on sky color?
Asked by Wiki User
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
Read more
Chemistry
+3
Why do starfish filter the sea water?
Asked by Wiki User
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
Read more
Global Positioning Systems (GPS)
+3
What is slot working mechanism in railway control panel and how is it useful to the station master?
Asked by Saineeru
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.
Read more
Units of Measure
+3
Why is sea in color blue?
Asked by Wiki User
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
Read more
War and Military History
+2
Is ironclad ship supposed to be capitalized?
Asked by Wiki User
Ironclad ship is not required to be capitalized unless it is at the beginning of a sentence or part of a title.