Which of the following is a synthetic opioid that is 100 times more potent than morphine?

At ______ years of age, a child is most likely to become able to do a cartwheel

Fill in the blank with correct word

A loose screw on the visor causes it to drop down while Ben drives; however, he keeps forgetting to take a screwdriver out to the car to fix it

When he notices the visor drop again, he reaches into his pocket for a dime he then uses to tighten the screw holding the visor. What problem-solving difficulty did Ben overcome? A) relative comparison B) functional fixedness C) poor problem representation D) the representative heuristic