Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 46, Problem 2DAA
Summary Introduction

To determine: The number of times carbon dioxide reach a level during 400, 000 B.C. and 0 A.D comparable to that measured in 1980.

Introduction: The carbon dioxide concentration is rising, and the present-day concentration is highest in 15 million years. It is more of as result of human activities that contributed in increase in carbon dioxide level in the Earth’s atmosphere. The major contribution is by burning of fossil fuels that releases high amounts of carbon in the atmosphere. This impacts climate and ecosystems.

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