The precambrian period lasted 4060 million years. if the precambrian period started on january 1 of our calendar, how many calender days did it last

Age of the Earth = 4,600,000,000 years

• 365 days per year

• 1 day = 12,602,740 years

So, for example,

• the Earth formed 4,600,000,000 years ago

• 4,600,000,000 /12,602,740 = 365 days

• On our calendar Earth formed 365 days ago or January 1

• I was born 42 years ago

• 42/12,602,740 = 3.33 x 10-6

• On our calendar I was born less than 1 day ago or December 31

• Pangaea formed around 250,000,000 years ago

• 250,000,000/12,602,740 = 19.83

• On our calendar Pangaea formed around 20 days ago or on December 12

the committees of correspondence were the american colonies’ means for maintaining communication lines in the years before the revolutionary war. in 1764, boston formed the earliest committee of correspondence to encourage opposition to britain’s stiffening of customs enforcement and prohibition of american paper money. the following year, new york formed a similar committee to keep the other colonies notified of its actions in resisting the stamp act. in 1773, the virginia house of burgesses proposed that each colonial legislature appoint a committee for intercolonial correspondence. the exchanges that followed built solidarity during the turbulent times and bring about the formation of the first continental congress in 1774.

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