Answer
B.
Work Step by Step
A nutrient element is considered essential if plants die in the absence of the element.
Biology 12th Edition
by Mader, Sylvia; Windelspecht, Michael
Published by
McGraw-Hill Education
ISBN 10:
0078024269
ISBN 13:
978-0-07802-426-9
Chapter 25 - Flowering Plants: Nutrition and Transport - Assess - Page 474: 1
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