Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 25, Problem 5TYU
Summary Introduction

Introduction:

Origin of life or abiogenesis is defined as the natural process by which life starts from the non-living matter. In early earth, there was very less amount of oxygen. Carbon dioxide, hydrogen, and nitrogen were present in the atomic form. Hydrogen was present in a very higher amount than oxygen.

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Campbell Biology

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