Biology (11th Edition)

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

Chapter 38 - Plant Nutrition and Soils - Review Questions - Understand: 2

Answer

A.

Work Step by Step

The negative charge on mineral soil particles (A.) allows them to chelate cations, holding on to mineral ions like K+ and Ca+ which plants need.
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