Dust Is an Important Part of the Nebular Theory of Solar

question 87

Multiple Choice

Dust is an important part of the nebular theory of solar system formation because dust isneeded to explain:

• A)how the inner planets came to be rocky bodies.
• B)how the outer planets came to be gaseous bodies.
• C)how the initial cloud cooled enough to collapse.
• D)how the initial cloud heated as it contracted.
• E)why the icy bodies are located so far from the Sun.

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Definitions:

Internal Diseconomies

Increased per unit costs that occur when a firm or industry grows beyond a certain size, leading to inefficiencies.

External Diseconomies

Negative effects experienced by third parties or the general public due to the activities of a business or industry, not reflected in market costs.

Decreasing-Cost Industry

An industry where the cost per unit of output decreases as the scale of production increases is known as a decreasing-cost industry.

Long-Run Equilibrium

A state in which all factors of production and costs are variable, allowing for the adjustment of all inputs, leading to optimal allocation of resources in the market.