Why Might the Infiltration of Water Deep into a Slide

question 9

Multiple Choice

Why might the infiltration of water deep into a slide mass increase landslide hazards?

• A)Deep infiltration forces vegetation to root more deeply.
• B)Water will erode the subsurface materials, reducing strength of the slide mass.
• C)Water in the deep subsurface influences soil formation, leading to shallow soil slips.
• D)The water increases the pore water pressure, effectively lifting the slide mass from stable ground beneath.

---

Definitions:

Multiplication Tables

A mathematical table used to define a multiplication operation for an algebraic system, commonly taught as part of elementary education.

Photograph

An image created by light falling on a photosensitive surface, usually photographic film or an electronic sensor, such as a CCD or a CMOS chip.

Levels of Processing Model

A theory of memory that proposes that deeper analysis of information leads to longer-lasting memory, as opposed to shallow processing.

Three-part Model

In psychology, often refers to the structure of the mind according to Freud's theory, consisting of the id, ego, and superego.