Unscramble

a 1 r 1 c 3 h 4 e 1 a 1 n 1

7 letters · 12 points in Scrabble

Meaning

noun the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life

adjective of or relating to the earliest known rocks formed during the Precambrian Eon

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