Answer
(d) 70%
Work Step by Step
70% of nitrogen on Earth is fixed by the action of nitrogen-fixing bacteria. Bacteria and cyanobacteria fix nitrogen in many different environments.
Microbiology: Principles and Explorations 9th Edition
by Black, Jacquelyn G.; Black, Laura
Published by
Wiley
ISBN 10:
1-11874-316-4
ISBN 13:
978-1-11874-316-4
Chapter 25 - Environmental Microbiology - Self Quiz - Page 831: 2
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
