Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 56, Problem 2TYU
Summary Introduction

Introduction:

Earth’s atmosphere can be defined as the atmosphere which is composed of many layers namely troposphere, stratosphere, mesosphere, thermosphere, and exosphere. The earth's atmosphere consists of 78% nitrogen, 21% oxygen, and 1% other gases.

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