Crop Substitution Programs Have Had _______________

question 20

Multiple Choice

Crop substitution programs have had _______________.

• A) much success
• B) limited success
• C) no success
• D) success has not been assessed yet

---

Definitions:

Calcium

A chemical element, symbol Ca, atomic number 20, a soft gray alkaline earth metal, essential for living organisms, primarily in bones and teeth.

Metalloids

Elements with properties in between metals and non-metals, such as silicon and germanium, often used in semiconductors.

Antimony

A chemical element with the symbol Sb and atomic number 51, known for its brittle texture and silvery luster, used in alloys, flame retardants, and electronics.