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.
Biology (11th Edition)
by Raven, Peter; Johnson, George; Mason, Kenneth; Losos, Jonathan; Singer, Susan
Published by
McGraw-Hill Education
ISBN 10:
1259188132
ISBN 13:
978-1-25918-813-8
Chapter 28 - Prokaryotes - Review Questions - Apply - Page 564: 5
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