When a Metal Ring with a Gap in the Shape

question 4

Multiple Choice

When a metal ring with a gap in the shape of the letter C is cooled,the gap becomes

• A)wider.
• B)narrower.
• C)remains the same size.

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Definitions:

Mammals

A class of warm-blooded vertebrate animals distinguished by the possession of hair or fur, the secretion of milk by females for the nourishment of the young, and (typically) the birth of live young.

Baby Blues

A common, temporary condition of emotional sensitivity, mood swings, and tearfulness experienced by new mothers shortly after childbirth.

Postpartum Psychosis

A rare but severe mental illness that can affect new mothers, characterized by extreme confusion, hallucinations, and detachment from reality.

Tearfulness

The state of crying or being on the verge of tears, often due to emotional stress or sadness.