The Density of Comet Halley Was Found to Be About

question 65

Multiple Choice

The density of Comet Halley was found to be about 0.2 g/cm³. This implies that Comet Halley

• A) is composed of about 50% rock and 50% frozen water and methane.
• B) is loosely packed ices with a small amount of rocky material.
• C) formed in the inner solar system and was ejected by Jupiter to the Kuiper belt.
• D) is really an S-type asteroid.
• E) was once a moon of Neptune and was ripped away by a large impact.

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Definitions:

Good

A material item that can be touched, used, or consumed, which is produced to fulfill wants or needs.

Service

A type of economic activity that is intangible, is not stored, and does not result in ownership; services are produced and consumed at the same time.

Exchange

The act of giving one thing and receiving another in return, often referring to the trade of goods, services, or financial instruments.

Functions Of Money

The core roles money plays in an economy, including serving as a medium of exchange, a unit of account, a store of value, and sometimes, a standard of deferred payment.