In the United States, Average Life Expectancy

question 14

Multiple Choice

In the United States, average life expectancy

• A) is likely to continue to increase at the same rate it did in the early parts of the 20^th century
• B) increased more rapidly between 1950 and 1999 than it did between 1900 and 1950
• C) increased throughout the twentieth century primarily due to advances in medical technology
• D) all of these
• E) none of these

---

Definitions:

Motor Performance

The ability to execute physical actions or tasks fluently, efficiently, and effectively.

Biological Variables

Factors related to or deriving from organisms, which can influence experiments, studies, or outcomes in biological or medical research.

Heritable

Traits or characteristics that can be passed from parents to their offspring through genes.

Encouragement

The action of giving support, confidence, or hope to someone.