Achild notices that, after he is tucked into bed at night and the light is turned off, he can't see much of anything. but if he keeps his eyes open, over time he can see his toys scattered around the room. he doesn't know it, but this dark adaptation comes about because of the

What would a student most likely use if he or she wanted to consult a secondary source

Janette goes into an electronics superstore to buy a new computer. the salesperson works with her to find the right model, and she agrees to buy a new computer for $500 and a floor-model 18-inch monitor for $100. just when she is ready to pay, the salesperson walks away for a minute and then comes back to inform her that the monitor she was ready to purchase can't be sold for < $125. she agrees to the extra $25 even though they had initially agreed on the $100 selling price. janette has fallen for the technique of gaining compliance.

Which regulatory agency attempts to prevent unfair business practices and consumer fraud?