This Figure Compares Corn Yield (How Much Corn Is Produced)

question 38

Multiple Choice

This figure compares corn yield (how much corn is produced) in relation to the area of land from which the corn was harvested, for the United States and globally. Which statement, according to this figure, is true?

• A) The efficiency of corn production (yield per area) in the United States has increased more than global efficiency.
• B) The efficiency of global corn production (yield per area) has increased more than efficiency in the United States.
• C) Global production efficiency was greater prior to 1980 than since 1980.
• D) The efficiency of U.S. production has decreased.

---

Definitions:

Cross-Sectional Surveys

Research tools used to gather information from a sample population at one specific point in time to analyze trends or patterns.

Theoretical Frameworks

Structured sets of concepts and ideas that guide academic research and interpretation of data.

Freud

Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Strength and Vulnerability Integration Theory

A theory suggesting how factors of strength and vulnerability interact within individuals, influencing their ability to cope with stresses and challenges.