Which of the Following Statements About Minerals in Soil Is

question 41

Multiple Choice

Which of the following statements about minerals in soil is true?

• A) There are only two mineral ions, potassium and magnesium, that are essential for plant growth.
• B) Negatively charged mineral ions are often washed out of the root zone.
• C) Clay minerals are usually positively charged.
• D) Clay minerals very rarely have charged ions
• E) Clay particles may "hold" mineral ions in the soil and prevent their use by plants.

---

Definitions:

Federal Laws

Laws passed by the national government of a federal state, applicable nationwide.

Free Blacks

African Americans who were not enslaved before the Civil War, especially significant in the United States, living either by purchasing their freedom, being emancipated, or born to free parents.

Gag Rule

A rule limiting or preventing debate on an issue, which has been notably used in legislative bodies.

Political Ploy

A strategic maneuver or tactic used by individuals or groups within a political context to gain advantage or achieve specific ends.