Recent Studies Suggest That Putting a Child to Sleep on His

question 57

Multiple Choice

Recent studies suggest that putting a child to sleep on his back may

• A) cause the child to choke on his own spit up.
• B) delay gross motor milestones.
• C) cause a bald spot on the back of the head.
• D) improve vision.

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Definitions:

Marginal Opportunity Cost

By deciding on one route, one foregoes the possible advantages that other routes could have offered.

Long-run Equilibrium

The state in which, over time, supply and demand are balanced, and all adjustments to economic conditions have been made, resulting in stable prices and outputs.

Marginal Cost

The hike in expense for producing another unit of a product or service.