There are twelve Federal Reserve Districts in the United States. Number 1 is in Boston and covers the New England states, while number 12 is in San Francisco and covers the Western states, including Alaska and Hawaii. Source(s): http://www.federalreserve.gov/otherfrb.h... Sailinlove Â· 1 decade ago.
Layers in glaciers show a history much longer than 10,000 years, and radiometric dating places the formation of the Earth at 4.5 billion years. Light from galaxies is reaching us billions of years after it left, and the expansion rate of the universe dates its age to 13.7 billion years.
The table of geologic time spans, presented here, agrees with the nomenclature, dates and standard color codes set forth by the International Commission on Stratigraphy. Evidence from radiometric dating indicates that Earth is about 4.54 billion years old.