Cation Exchange Is an Important Process That Facilitates the Uptake

question 149

Multiple Choice

Cation exchange is an important process that facilitates the uptake of nutrients by plants.Which statement about cation exchange is false?

• A) Cation exchange is most important in soils with high clay content.
• B) Clay particles have a permanent negative charge.
• C) Activities of roots do not affect cation exchange.
• D) Negative ions such as phosphate, nitrate, and sulfate are leached from the soil.
• E) Effective cation exchange depends on soil that is aerated.

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