Which of the Following Statements About Stalactites Is NOT True

question 11

Multiple Choice

Which of the following statements about stalactites is NOT true?

• A) In mature stages, they resemble large icicles and grow when water drips along the outside.
• B) They are composed of the rock travertine and are hollow inside.
• C) In their early stages, they are tube- like and grow when water drips through the inside and deposits calcium carbonate at the end.
• D) They form as groundwater seeps into the roof of a cave and evaporates or releases carbon dioxide.

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Definitions:

Retinal Disparity

The slight difference in the images projected on the two retinas, which is used to perceive depth.

Context Effects

The influence of environmental factors on one's perception of a stimulus.

Perceptual Adaptation

The ability of the body to adjust to an environment or stimuli, changing the way it perceives sensory information over time.

Interposition

A visual cue in which an object partially covers another, suggesting depth perception.