The answer depends on the earliest measurements of WHAT: time, distance, mass/weight, ...
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A subjective measurement is something that is based on an opinion and is most often biased. The opposite would be an objective measurement which is quantifiable and based only on fact.
Weights and measures were among the earliest tools invented by man.
It's a unit of measurement. It's not based on anything.
It's hard to say but the earliest signs of whaling activity would be as earliest as 6000BC based on archaeological finds.
it was the angelometer which was used at first to emasure angles :) ... hope that help u much :D
Of seduction.
The earliest classification systems grouped organisms based on observable physical features, such as morphology and anatomy. This system organized living things into categories based on similarities in structure and behavior.
The metric system.
The metric system.
Metric.