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Monster Essays - The Making Of The Cat
The Making Of The Cat
Soup or Sandwich
IN THE VERY BEGINNING, about 4.6 billion years ago (give or take a few
years), a small ball of rock, water and gas had come to be and immedi-
ately set about the process of combining its atoms into more and more
complex arrangements. Thus began that most wondrous story, the evolu- tion
of life on Earth.
For the first 2.1 billion years of the Earth's existence, the Archeo-
zoic Era, life very slowly evolved. The Earth's crust was still in flux
and covered for the most part by shallow seas. The atmosphere was composed
primarily of methane, ammonia, carbon dioxide and water vapor. From these
pr....
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