A(n)________ Is a Pure Substance Composed of Atoms of Only

question 100

Short Answer

A(n)________ is a pure substance composed of atoms of only one kind.

---

Definitions:

Eibl-Eibesfeldt

Refers to Irenäus Eibl-Eibesfeldt, an ethologist known for his work in human behavior and evolutionary biology.

Human Facial Expressions

The visible changes in the face that convey an individual's emotional state, intentions, or social communication.

Basic Emotions

Fundamental feelings that are universal across human cultures, such as happiness, sadness, fear, disgust, anger, and surprise.

Neurotransmitter

Biological chemicals that transmit signals across synapses from one neuron to another in the brain.