Earth's Crust and Mantle Are Composed Predominantly of Solid (Not

question 146

True/False

Earth's crust and mantle are composed predominantly of solid (not molten)igneous rocks.

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Definitions:

Economies of Scale

The reduction in the cost per unit that companies experience as a result of their large scale of operations, usually seeing these expenses decrease as the scale grows.

Diseconomies of Scale

An economic concept where, beyond a certain point, an increase in the scale of production leads to a rise in average costs per unit due to inefficiencies.

Long Run

A term in economics referring to a period wherein all inputs can be adjusted, including those that are typically fixed in the short run.

Variable Costs

Charges that adjust directly in response to the quantity of production or output.