MCA Grade 8 Science Practice Questions - Minnesota Comprehensive Assessment (MCA-IV) Science - Grade 8 Exam

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Engineers are designing a fish passage structure around a dam on a Minnesota river. The structure must allow at least 80% of migrating fish to pass safely and cost less than $150,000 to construct. How should the cost limit be classified?

A constraint, because it represents a strict limit placed on the engineering design A criterion, because it defines the primary biological success goal of the passage A prototype, because it serves as an early physical model of the structure A dependent variable, because it is measured after fish complete their migration

Correct Answer:

A constraint, because it represents a strict limit placed on the engineering design

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