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Usian Is Failing in School, and Scores Well Below Grade-Level

question 140

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Usian is failing in school, and scores well below grade-level on achievement tests. When he takes the Wechsler Intelligence Scale for Children (WISC) , his intelligence quotient (IQ) score is in the mid-60s. Usian is classified as:


Definitions:

Basin-shaped Depression

A rounded or oval valley or hollow in the Earth's surface, typically formed by erosion or the collapse of a volcanic crater.

Calderas

Large, basin-like depressions formed by the collapse of a volcano after a massive eruption, usually holding a lake.

Fissure Eruptions

Fissure eruptions are volcanic eruptions that occur through long, linear cracks in the Earth's surface, releasing lava and gases over a wide area.

Pyroclastic Eruptions

Volcanic eruptions characterized by the expulsion of hot gases, ash, and volcanic rocks at high speeds.

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