Sincere Facial Expressions Are More Symmetrical Than Are Insincere Expressions

question 73

True/False

Sincere facial expressions are more symmetrical than are insincere expressions.

---

Definitions:

Roentgen Diagnosis

The use of X-rays to diagnose diseases or abnormalities within the body, named after Wilhelm Roentgen who discovered X-rays.

Roentgen Therapy

A form of radiation therapy using X-rays for treating diseases, named after physicist Wilhelm Röntgen.

Ionization

The method through which an atom or molecule obtains a positive or negative charge by the addition or removal of electrons.

Substance

material with particular physical characteristics, an important concept in chemistry and physics.