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:

Traditional Surveys

Methods of data collection involving questionnaires or interviews to gather information from a group of people.

Panel Study

Research in which the same sample of subjects is studied at two or more points in time, usually to assess changes that occur over time.

Focus Group

A research method that gathers a group of people to discuss a particular topic or product in detail, guided by a moderator.

Internet-Based

Pertaining to activities, methodologies, or interactions that occur or are facilitated through the Internet or online platforms.