Which One of These Features Is Common to Mercury and the Moon

question 167

Multiple Choice

Which one of these features is common to Mercury and the Moon?

• A) craters associated with volcanic activity
• B) large flat plains dotted with relatively small craters
• C) maria filled with solidified basalt and marked with few craters
• D) scarps formed when the body shrank

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Definitions:

External Cost

An external cost, or negative externality, refers to a cost that a transaction or activity imposes on parties who are not involved in the transaction, such as pollution affecting non-participants.

Positive Externality

A benefit that affects someone who did not choose to incur that benefit, often leading to an under-provision of a good or service.

Vaccination

A medical intervention that introduces a substance to stimulate the body's immune response against disease.

Producer Surplus

The discrepancy between what sellers are prepared to take for a product or service and the actual payment they get in the marketplace.