What Is a Plasma?
A) Region Where the H _$\alpha$

question 77

Multiple Choice

What is a plasma?

• A) region where the H _\(\alpha\) line causes the Sun's surface to glow red, like blood
• B) region where the intense magnetic field has caused the Sun's atoms to line up in a rigid array
• C) gaslike mixture of ions and electrons
• D) unusual mixture of charged particles in which the positives and negatives do not occur in equal numbers

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Definitions:

Operant Conditioning

An educational method where behavior strength is adjusted by rewards or penalties.

Classical Conditioning

An educational method that takes place by linking an environmental cue with a stimulus that occurs naturally.

Habituation

The process by which an organism decreases or ceases its responses to a repetitive stimulus over time.

Sensation

The physical response of sensory receptors when a stimulus is detected (e.g., activity of the sensory receptors in the eye in response to light); awareness of stimuli in the senses.