The Prototyping model of software development is: (1) a reasonable approach when requirements are well-defined. (2) a useful approach when a customer cannot define requirements clearly. (3) the best approach to use for projects with large development teams. (4) a risky model that rarely produces a meaningful product.

The Prototyping model of software development is: (1) a reasonable approach when requirements are well-defined. (2) a useful approach when a customer cannot define requirements clearly. (3) the best approach to use for projects with large development teams. (4) a risky model that rarely produces a meaningful product.
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The owl can see most clearly in total darkness because (1) it has squint eyes (2) it has large eyes with orbs directed forward, giving it binocular sight (3) it has light bulbs in its eyes provided by nature (4) it produces infrasonic sounds

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