The Earliest Humans Primarily Used Tools to ____

question 37

Multiple Choice

The earliest humans primarily used tools to ____.  

• A) assist in locomotion
• B) provide protection
• C) facilitate the processing of food
• D) ward off predators
• E) construct shelters

---

Definitions:

Flossing

The act of using a thin thread to remove food and plaque from between teeth to maintain oral hygiene and prevent gum disease.

Plaque

A deposit of fatty and other substances that builds up in the inner lining of arteries, leading to atherosclerosis and potential blockage.

Waxed Floss

Dental floss coated with wax to facilitate easier sliding between teeth for the removal of plaque and food particles.

Head Lice

Parasitic insects that live on the human scalp and feed on blood, causing itching and discomfort; commonly spread by close personal contact.