An Unknown Value,or a Value That Does Not Apply to a Given

question 53

Multiple Choice

An unknown value,or a value that does not apply to a given row of a table,is indicated by:

• A) The value 0
• B) The string of characters "null"
• C) The null value
• D) The string of characters "NA"

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Definitions:

Rock Slide

A rock slide is a type of landslide involving the movement of rock, soil, and debris down a slope, often triggered by factors like water saturation, erosion, or seismic activity.

Preexisting Joints

Natural fractures or separations in rock that were present before any other types of deformation.

Open Space

Areas of land that are either naturally occurring or designated for recreational use, conservation, or urban planning, often lacking significant built structures.

Rock Avalanche

is a rapid, massive landslide consisting of rock debris flowing down a slope.