The Concept of Overlay in Geographic Information Systems (GIS)refers to the

question 16

Multiple Choice

The concept of overlay in geographic information systems (GIS) refers to the

• A)incorporation of multiple types of digital spatial data (maps)in answering research questions.
• B)constant,automatic updating of digital spatial data (maps)of the same type with newer data.
• C)use of digital spatial data (maps)to identify what lies deep beneath the Earth's surface.
• D)inclusion of a grid (such as latitude-longitude or universal Transverse Mercator)on a digital spatial dataset (map).

---

Definitions:

Brain Activity

The functioning of the brain involving complex processes signaled by electrical impulses and chemical neurotransmitters.

REM Sleep

A phase of sleep characterized by Rapid Eye Movement, during which dreaming often occurs and brain activity increases.

Dreaming

A series of thoughts, images, or emotions occurring during sleep, especially during REM sleep phases.

Restorative Theory

A theory proposing that sleep is necessary for the body to repair and rejuvenate itself.