Observations by the Venus Express Orbiter Have Shown

question 43

Multiple Choice

Observations by the Venus Express orbiter have shown

• A) the presence of an actively erupting volcano on the surface
• B) that the volcanoes on Venus have been extinct for billions of years
• C) that lava covered most of the surface of the planet around 750 million years ago
• D) evidence for recent volcanic lava flows occurring within the last 250,000 years

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Definitions:

Marginal Utility-To-Price Ratio

A measure of the additional satisfaction gained from consuming one more unit of a good or service relative to its cost.

Consumer Choice

The decision-making process by which individuals select and consume products or services to satisfy their desires and needs.

Highest Marginal

Referring to the highest additional cost or benefit gained from producing or consuming one extra unit of a good or service.

Marginal Utility Per Dollar

The additional satisfaction or benefit gained from consuming an additional unit of a good or service, relative to the cost in dollars.