Comets are often called what?
Correct answer: C. Dirty snowballs
- A. Dusty snowballs
- B. Filthy snowballs
- C. Dirty snowballs
- D. Impure snowballs
Explanation
Comets are popularly called dirty snowballs because they contain frozen volatile substances mixed with dust and rocky material. Their icy surfaces produce the coma and tail when heated by the Sun.
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