Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 19 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions - Page 698: 5

Answer

(a)

Work Step by Step

Landfills primarily emit methane ($CH_4$) due to anaerobic decomposition of organic waste. Nitrous oxide ($N_2O$) is more commonly released from agricultural soils, fertilizers, and industrial processes, not landfills The answer is (a)..
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