What Must Occur for Metamorphic Rock to Become Magma

question 49

Multiple Choice

What must occur for metamorphic rock to become magma?

• A) crystallization
• B) melting
• C) precipitation
• D) lithification

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that instinctively and automatically induces a response without previously being learned.

Extinction

In psychology, the gradual disappearance of a conditioned response when the reinforcement is withheld; in biology, the end of an organism or of a group of organisms.

Stimulus Generalization

A psychological phenomenon where a response is elicited by stimuli similar, but not identical, to the original stimulus used in conditioning.

Classical Conditioning

A training method where two stimuli are consistently associated, leading to a response initially triggered by the second stimulus being ultimately triggered by the first stimulus alone.