Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 28 - Prokaryotes - Review Questions - Apply: 5

Answer

D.

Work Step by Step

B. is wrong since it directly contradicts the correct answer, and A. and C. can be excluded since they posit non-biological causes for these two diseases which are definitely caused by biological things.
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