Limestone Reefs and Salt Deposits Are Important in the Reconstruction

question 30

Multiple Choice

Limestone reefs and salt deposits are important in the reconstruction of the Earth's history because they

• A) can be used to infer the ancient climate of the Earth; they are deposited in environments that are restricted to warm climates.
• B) automatically provide age information; all such deposits occurred between 200 and
• 400 million years ago.
• C) are deposited in warm climates today,but there is good reason to think that they were deposited in cold climates millions of years ago.
• D) pinpoint the locations of old subduction zones.

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Definitions:

Self-correcting Forces

Economic mechanisms that naturally work to restore equilibrium in markets without government intervention.

Potential GDP

The maximum output an economy can produce without triggering inflation, if it fully employs all available resources, including labor and capital.

Expansionary Gap

A situation where the actual level of output in an economy exceeds its potential output, often leading to inflation.

Active Approach

An active approach in policy-making or investment strategy entails ongoing, deliberate interventions or decisions to achieve specific economic or financial goals.