According to Research on Average Peak Running Speed for Boys

question 12

Multiple Choice

According to research on average peak running speed for boys and girls, the following is true:

• A) girls peak at about age 8 and boys at age 12
• B) boys peak at about age 8 and girls at age 12
• C) boys and girls both peak at about age 12
• D) girls peak at about age 14, and boys continue to improve beyond age 17
• E) boys peak at about age 14, and girls continue to improve beyond age 17

---

Definitions:

Secondary

In chemistry, indicates molecules or functional groups that are attached to a secondary carbon atom, which itself is connected to two other carbon atoms.

Tertiary

Referring to an organic molecule or an ion that has a carbon atom connected to three other carbon atoms.

IUPAC Name

Naming chemicals systematically in alignment with the regulations provided by the International Union of Pure and Applied Chemistry.

Primary Alcohol

An alcohol with the hydroxyl group attached to a carbon atom that is bound to only one other carbon atom.