Think about how the geologic time scale was created and how it is divided. Then answer the following questions. HELP ILL GIVE BRAINLEIST!!

How did scientists form the geologic time scale?
How is this scale organized?
What processes changed the Earth's environment during Precambrian time?

on this day in 1833, president andrew jackson announces that the government will no longer use the second bank of the united states, the country's national bank. a national bank had first been created by george washington and alexander hamilton in 1791 to serve as a central repository for federal fund

d) the lindbergh baby kidnapping

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