Environmental Science for AP* (2nd Edition)

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

Chapter 2 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions: 9

Answer

Choice (b) because: $\frac{25}{100}\times 2,000,000Cal=500,000Cal$ And since 42,000J per minute = 10,000Cal, we obtain: $\frac{500,000}{10,000}=50minutes$

Work Step by Step

Choice (b) because: $\frac{25}{100}\times 2,000,000Cal=500,000Cal$ And since 42,000J per minute = 10,000Cal, we obtain: $\frac{500,000}{10,000}=50minutes$
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