According to the Large-Impact Hypothesis, Why Does the Moon Have

question 97

Multiple Choice

According to the large-impact hypothesis, why does the Moon have a low density?

• A) Earth and its impactor had already differentiated.
• B) The impactor did not have a large enough mass to differentiate.
• C) The impactor formed in the outer solar system.
• D) After the impact, the high-density material fell back to Earth.

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Definitions:

Marginal Cost

The price rise from the production of an additional unit of a product or service.

Diminishing Returns

A principle stating that as one input in the production process is incrementally increased, there will be a point at which the added output from each additional unit of input will start to decrease.

Diseconomies of Scale

This phenomenon occurs when a firm's production costs per unit increase as it produces more, due to inefficiencies that arise from scaling up operations.

Economic Profit

The economic result derived from subtracting a business's entire expenses, both explicit and implicit, from its total incoming funds.