A Localized Zone of Melting (Commonly Thought to Be Stationary)

question 11

Multiple Choice

A localized zone of melting (commonly thought to be stationary) below the lithosphere is called a(n) ____.

• A) orogeny
• B) hot spot
• C) lava flow
• D) chert
• E) graywacke

---

Definitions:

Cork Cambium

Cork cambium is a layer of meristematic tissue in plants that produces cork cells to protect and waterproof the plant.

Periderm

The outer protective layer of a plant's bark, produced as part of secondary growth, replacing the epidermis in mature plant stems and roots.

Xylem

The vascular tissue in plants responsible for the conduction of water and nutrients from the roots to the leaves.

Herbaceous Stems

Stems that are soft, green, and flexible, typically found in plants that do not produce wood and die back at the end of the growing season.