Which Feature Separates an Overlayer of Volcanic Rock from Underlying

question 75

Multiple Choice

Which feature separates an overlayer of volcanic rock from underlying metamorphic rocks?

• A) a nonconformity
• B) a disconformity
• C) an angular unconformity
• D) an unconformity

---

Definitions:

Economies of Scale

Reductions in per-unit cost that organizations achieve through expanded production scales, where larger output volumes usually mean decreased costs per unit.

Long-run Average Total Cost

The average cost per unit of output when all inputs, including capital, can be varied, and economies of scale are accounted for.

Long-run Total Cost

The overall expenses incurred by a firm when all inputs are variable, reflecting costs over a time when firms can adjust all factors of production.

Long-run Average Total Cost

The per unit cost of production when all inputs, including both fixed and variable costs, are adjusted to their optimal levels over time.