GK
WORLD GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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eon
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eras
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stage
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periods
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Detailed explanation-1: -Ages, also referred to as “stages", are the smallest units of geologic time, and are usually only a few million years in length.
Detailed explanation-2: -Epochs are smaller subdivisions in the periods of geologic time that span several millions of years. Some epochs have also been subdivided into ages.
Detailed explanation-3: -Smallest fragment of time currently measurable is 247 zeptoseconds. One quintillionth of a second.
Detailed explanation-4: -This geological timeline is subdivided into a range of geochronological units which in turn are subdivided in decreasing order of scale from Eons (the largest subdivision of geological time), Eras, Periods, Epochs, and finally to the smallest subdivision of time called Ages.