Which Process Is Required to Allow a Gravitationally-Collapsing Gas Cloud

question 28

Multiple Choice

Which process is required to allow a gravitationally-collapsing gas cloud to continue to collapse?

• A)The cloud must trap most of its thermal energy.
• B)The cloud must collide with other clouds.
• C)New dust particles must continually be made in the cloud.
• D)The cloud must radiate away much of its thermal energy.

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Labor

The work performed by individuals that contributes to the production of goods or services in an economy, often categorized as manual or skilled tasks.

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The amount by which a product's sales revenue exceeds its variable costs, used to cover fixed costs and contribute to profits.