The Bulk of the Energy Utilized by Marathon Runners Is

question 4

Multiple Choice

The bulk of the energy utilized by marathon runners is provided by _____ .

• A)blood glucose
• B)glycogen
• C)protein
• D)fatty acids

---

Definitions:

Postmaster General

The head of the postal service, responsible for overseeing the operation of the national postal system.

Armed Whites

Refers to individuals of European descent who bear arms or weapons, usually in a historical or conflict context.

Colfax, Louisiana

A town in the US state of Louisiana, known historically for the Colfax Massacre of 1873, a violent event during the Reconstruction era.

Former Slaves

Describes individuals who were once enslaved but gained freedom, through various means such as emancipation, escape, or the end of slavery in their region.