The ____ of a Comet Is a Lump of Fragile

question 3

Multiple Choice

The ____ of a comet is a lump of fragile, porous material containing ices of water, carbon dioxide, and ammonia.

• A) nucleus
• B) coma
• C) dust tail
• D) gas tail
• E) chondrule

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Definitions:

Adoptive Families

Families where one or more children have been legally adopted, creating a familial bond.

Twin-Study Method

A research design used to estimate the genetic and environmental influences on behavior by comparing the similarities between identical and fraternal twins.

Personality

The combination of characteristics or qualities that form an individual's distinctive character, influencing thoughts, motivations, and behaviors across situations and time.