If you can model the mass in Comet Halley as a sphere 5 km in radius,what is its density if it contains 
of mass? How does that density compare to that of water 
?
Definitions:
Perfect Competitor
A theoretical market structure characterized by many buyers and sellers, freely available information, and no barriers to entry or exit.
Long Run
Long run refers to a time period in economics where all inputs or factors of production can be adjusted, allowing an analysis of long-term planning or investment outcomes.
Monopolistic Competitor
A monopolistic competitor is a firm that has many competitors in a market but differentiates its product or service enough to have some control over its price.
Tex-Mex Restaurant
A type of dining establishment that serves a fusion cuisine of Texan and Mexican origins, characterized by its hearty, flavorful dishes.
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