A 2014 NASA's Goddard Space Flight Center Study Reminds Us

question 22

Multiple Choice

A 2014 NASA's Goddard Space Flight Center study reminds us that .

• A) by increasing the per-capita depletion of nature, a collapse in civilization can be avoided
• B) Earth's natural replacement capacity is well below its total possible capacity
• C) civilizations are not permanent
• D) nature has a way of maintaining equilibrium on its own, thus allowing civilization to thrive indefinitely

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Definitions:

Isostasy

The condition of equilibrium, comparable to floating, of the crust resting on the solid mantle.

Equilibrium

A state of balance between opposing forces or actions.

Asthenosphere

The area of mantle beneath the lithosphere that is solid, but hotter than the rock above it and can flow under pressure; functions as a soft, weak zone over which the lithosphere may move.

Crustal Blocks

These are large areas of the Earth's crust that have moved together or apart due to tectonic activity.