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A marine chronometer measures time. It is a very precise instrument because it can also be used to measure the longitude of the ship at sea using the time shown and the angle of the sun.
By observing how much decays in a few days, or in a year, and extrapolating.
It depends how much energy and electricity you use in your life time. It measures your carbon emissions.
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Absence without leave is when you're in the military but you're not where you're supposed to be. Lost time is when you could swear that a certain amount of time has passed since a past event, but actually much, much more time has passed. For example, you're sure you talked with your friend an hour ago, but he can prove it was six hours ago.
Rain gauze measures precipitation at the given place and time.
A stopwatch.
A Stopwatch.
An electronic wristwatch will do a fine job.
The correct usage is "time passed." "Past" is used as an adjective to describe things that have already happened, while "passed" is the past tense of the verb "pass," meaning to move on or go by.
an astrolobeThe instrument you are thinking of is the sextant and it was independently invented by two men at around the same time, John Hadley and Thomas Godfrey.Astrolabe
An atomic clock - which measures the frequency with which atoms move in and out of excited states.
A sundial uses light to measure time. Of course, it doesn't work well in the evening and on cloudy days.
You either use a rain gauge and measure at different time intervals, or use radar.
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Nothing. A decade measures time (10 years), while a centimeter measures distance.
how much time passed?