The Mass of Matter Is Due Mostly to Its

question 25

Multiple Choice

The mass of matter is due mostly to its

• A)protons.
• B)electrons.
• C)both of these

---

Definitions:

Herpes Simplex Virus

A virus that causes contagious sores, most often around the mouth or on the genitals.

Epidemiological Study

Research aimed at investigating the patterns, causes, and effects of health and disease conditions in defined populations.

Autism Spectrum Disorder

A developmental disorder characterized by difficulties with social interaction and communication, and by restricted or repetitive patterns of thought and behavior.