The Primary Physical Process Responsible for the Formation of Earth's

question 13

Multiple Choice

The primary physical process responsible for the formation of Earth's layers, the inner and outer core, mantle, and crust is ____.

• A)density stratification
• B)radioactive decay
• C)outgassing
• D)mass

---

Definitions:

Thyroid

A gland in the neck that produces hormones regulating heart rate, blood pressure, body temperature, and weight.

Male Scrotum

A skin-covered sac that holds and protects the human male testicles outside the body.

Testes

The male gonads of the scrotum that produce sperm.

Secondary Sexual Characteristics

Physical features that distinguish the two sexes of a species, but are not directly involved in reproduction.