Suppose That a Group of Humans Build an Enormous Space

question 147

Multiple Choice

Suppose that a group of humans build an enormous space ship of fixed size and travel into outer space, never to return. They live on board the ship and allocate all goods on the ship using markets. As the population grows, the price of housing on board the ship will

• A) remain constant.
• B) fall rapidly.
• C) grow more slowly than the quantity of housing supplied.
• D) grow faster than the quantity of housing supplied.

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Definitions:

Simple Diffusion

A process where molecules move from an area of higher concentration to an area of lower concentration until equilibrium is reached, without the need for energy input.

Pressure-Flow Model

A hypothesis describing how sugars are transported in plants, particularly how sucrose is moved from photosynthetic tissues to various parts of the plant through the phloem.

Phloem

The vascular tissue in plants responsible for the transport of sugars and nutrients throughout the plant.

Water Potential

The potential energy of water per unit volume relative to pure water, which determines the direction water will flow.