Variances Are Calculated for Which of the Following Reasons

question 13

Multiple Choice

Variances are calculated for which of the following reasons:

• A) budgeting
• B) bookkeeping
• C) monitoring
• D) b and c

---

Definitions:

Seafloor Spreading

A geological process in which new oceanic crust is formed at mid-ocean ridges and spreads outward, contributing to continental drift.

Mantle Upwelling

The ascent of hotter material from the Earth's mantle to the crust, a process that can lead to volcanic activity and continental rift zones.

Mid-ocean Ridges

Undersea mountain ranges formed by plate tectonics, where new oceanic crust is created by volcanic activity.

Lithosphere

The rigid outer layer of the Earth, consisting of the crust and the upper part of the mantle.