US GDP Increased from $12

question 138

Multiple Choice

U.S. GDP increased from $12.5 trillion in 2005 to $14 trillion in 2009. This means that:

• A) people in the U.S. produced more goods and services in 2009 than in 2005.
• B) the prices of all goods and services were higher in 2009 than in 2005.
• C) Either of these could be true.
• D) Both of these must be true.

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Definitions:

Free Radicals

Highly reactive molecules with unpaired electrons that can cause damage to cells, proteins, and DNA by stealing their electrons through a process called oxidation.

Unstable Molecules

Atoms or groups of atoms that have unpaired electrons, making them highly reactive and known as free radicals.

Trans Fats

A type of unhealthy fat found in some processed foods, associated with increased risk of heart disease.

Hydrogenation

A chemical process that adds hydrogen atoms to unsaturated fats, turning them into saturated fats, often used in food production to increase shelf life.