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Stimulus Discrimination

question 43

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Stimulus discrimination:


Definitions:

Dwarf-planet

A celestial body resembling a small planet but lacking certain technical criteria, such as having cleared its orbit of other debris.

Elliptical

Having the shape of a flattened circle or oval.

Icy

Covered with or resembling ice; extremely cold.

Comet

A celestial body composed of ice, dust, and rock, typically with a bright core and a long, glowing tail that extends away from the Sun.

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