Phosphorus Availability in Acid Soils Is Constrained by the Presence

question 40

Multiple Choice

Phosphorus availability in acid soils is constrained by the presence of significant quantities of reactive ______.

• A)iron
• B)calcium
• C)magnesium
• D)sulfur
• E)boron.

---

Definitions:

Radio Buttons

GUI elements that allow users to select one option from a set, typically rendered as a small circle that can be filled or cleared to indicate selection.

Check Boxes

GUI components that allow the user to make a binary choice; typically used to select or deselect a single option.

Combo Box

A graphical user interface element that combines a drop-down box with a selection field, allowing users to select an option from a list or input a custom value.

Graphics Object

A graphical image or entity used in computer graphics programming, representing various visual elements such as shapes, lines, and colors.