Threads Of Life

Essay specific features

 

Issue:

Book Reports

 

Written by:

Fred L

 

Date added:

September 6, 2010

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 629

 

Was viewed:

7029 times

 

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Essay content:

The Grand Canyon is a good place to begin because it is the worlds greatest geological gash. Sediment was deposited here layer upon layer and eventually the layers were cut through by the Colorado River. The time covered by the layers of rock in the Grand Canyon represent about two billion years of earths history...
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Many scientists believe that life began as soon as the earth cooled sufficiently after just forming. It is believed that the first life on earth emerged some four billion years ago. The author goes on to say that the beginning of life can be organized into five stages: first, the earth forms from materials in our solar system; second, chemicals such as sugars, phosphates, and amino acids are formed; third, these building blocks link together to form nucleic acids, proteins, carbohydrates, and fats; fourth, these turn into proto-organisms; and last, these organisms gain the ability to replicate...
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